Home / 369,273.71-553,680.93-155,931.86

Finding the Fourth Proportional to 369,273.71, 553,680.93 and 155,931.86

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Solution

The fourth proportional to 369,273.71, 553,680.93 and 155,931.86 is: 233,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,273.71 : 553,680.93 = 155,931.86 : x
  2. Step 2: Convert to fraction form
    369,273.71/553,680.93 = 155,931.86/x
  3. Step 3: Cross multiply
    369,273.71x = 553,680.93 × 155,931.86
  4. Step 4: Simplify right side
    369,273.71x = 86,336,497,261.43
  5. Step 5: Solve for x
    x = 86,336,497,261.43/369,273.71
  6. Step 6: Final answer
    x = 233,800.82

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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.