Home / 665,075.80-997,419.30-238,562.20

Finding the Fourth Proportional to 665,075.80, 997,419.30 and 238,562.20

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Solution

The fourth proportional to 665,075.80, 997,419.30 and 238,562.20 is: 357,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,075.80 : 997,419.30 = 238,562.20 : x
  2. Step 2: Convert to fraction form
    665,075.80/997,419.30 = 238,562.20/x
  3. Step 3: Cross multiply
    665,075.80x = 997,419.30 × 238,562.20
  4. Step 4: Simplify right side
    665,075.80x = 237,946,542,530.46
  5. Step 5: Solve for x
    x = 237,946,542,530.46/665,075.80
  6. Step 6: Final answer
    x = 357,773.57

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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.