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Finding the Fourth Proportional to 224,291.16, 336,501.66 and 66,523.38

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Solution

The fourth proportional to 224,291.16, 336,501.66 and 66,523.38 is: 99,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,291.16 : 336,501.66 = 66,523.38 : x
  2. Step 2: Convert to fraction form
    224,291.16/336,501.66 = 66,523.38/x
  3. Step 3: Cross multiply
    224,291.16x = 336,501.66 × 66,523.38
  4. Step 4: Simplify right side
    224,291.16x = 22,385,227,798.81
  5. Step 5: Solve for x
    x = 22,385,227,798.81/224,291.16
  6. Step 6: Final answer
    x = 99,804.32

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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.