Home / 369,035.20-553,273.92-155,869.12

Finding the Fourth Proportional to 369,035.20, 553,273.92 and 155,869.12

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Solution

The fourth proportional to 369,035.20, 553,273.92 and 155,869.12 is: 233,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,035.20 : 553,273.92 = 155,869.12 : x
  2. Step 2: Convert to fraction form
    369,035.20/553,273.92 = 155,869.12/x
  3. Step 3: Cross multiply
    369,035.20x = 553,273.92 × 155,869.12
  4. Step 4: Simplify right side
    369,035.20x = 86,238,319,029.35
  5. Step 5: Solve for x
    x = 86,238,319,029.35/369,035.20
  6. Step 6: Final answer
    x = 233,685.89

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1.5x scale

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.