Home / 492,785.20-738,631.05-193,166.20

Finding the Fourth Proportional to 492,785.20, 738,631.05 and 193,166.20

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Solution

The fourth proportional to 492,785.20, 738,631.05 and 193,166.20 is: 289,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,785.20 : 738,631.05 = 193,166.20 : x
  2. Step 2: Convert to fraction form
    492,785.20/738,631.05 = 193,166.20/x
  3. Step 3: Cross multiply
    492,785.20x = 738,631.05 × 193,166.20
  4. Step 4: Simplify right side
    492,785.20x = 142,678,553,130.51
  5. Step 5: Solve for x
    x = 142,678,553,130.51/492,785.20
  6. Step 6: Final answer
    x = 289,534.98

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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.