Home / 314,935.65-472,261.28-90,244.71

Finding the Fourth Proportional to 314,935.65, 472,261.28 and 90,244.71

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Solution

The fourth proportional to 314,935.65, 472,261.28 and 90,244.71 is: 135,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935.65 : 472,261.28 = 90,244.71 : x
  2. Step 2: Convert to fraction form
    314,935.65/472,261.28 = 90,244.71/x
  3. Step 3: Cross multiply
    314,935.65x = 472,261.28 × 90,244.71
  4. Step 4: Simplify right side
    314,935.65x = 42,619,081,806.61
  5. Step 5: Solve for x
    x = 42,619,081,806.61/314,935.65
  6. Step 6: Final answer
    x = 135,326.32

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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.