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Finding the Fourth Proportional to 492,075.40, 738,113.10 and 159,651.40

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Solution

The fourth proportional to 492,075.40, 738,113.10 and 159,651.40 is: 239,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,075.40 : 738,113.10 = 159,651.40 : x
  2. Step 2: Convert to fraction form
    492,075.40/738,113.10 = 159,651.40/x
  3. Step 3: Cross multiply
    492,075.40x = 738,113.10 × 159,651.40
  4. Step 4: Simplify right side
    492,075.40x = 117,840,789,773.34
  5. Step 5: Solve for x
    x = 117,840,789,773.34/492,075.40
  6. Step 6: Final answer
    x = 239,477.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.