Home / 284,054.81-391,995.36-156,730.41

Finding the Fourth Proportional to 284,054.81, 391,995.36 and 156,730.41

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Solution

The fourth proportional to 284,054.81, 391,995.36 and 156,730.41 is: 216,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,054.81 : 391,995.36 = 156,730.41 : x
  2. Step 2: Convert to fraction form
    284,054.81/391,995.36 = 156,730.41/x
  3. Step 3: Cross multiply
    284,054.81x = 391,995.36 × 156,730.41
  4. Step 4: Simplify right side
    284,054.81x = 61,437,593,490.90
  5. Step 5: Solve for x
    x = 61,437,593,490.90/284,054.81
  6. Step 6: Final answer
    x = 216,287.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.