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Finding the Fourth Proportional to 224,307.72, 336,409.71 and 66,498.12

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Solution

The fourth proportional to 224,307.72, 336,409.71 and 66,498.12 is: 99,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,307.72 : 336,409.71 = 66,498.12 : x
  2. Step 2: Convert to fraction form
    224,307.72/336,409.71 = 66,498.12/x
  3. Step 3: Cross multiply
    224,307.72x = 336,409.71 × 66,498.12
  4. Step 4: Simplify right side
    224,307.72x = 22,370,613,264.75
  5. Step 5: Solve for x
    x = 22,370,613,264.75/224,307.72
  6. Step 6: Final answer
    x = 99,731.80

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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.