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Finding the Fourth Proportional to 288,495.78, 432,356.86 and 224,531.18

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Solution

The fourth proportional to 288,495.78, 432,356.86 and 224,531.18 is: 336,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,495.78 : 432,356.86 = 224,531.18 : x
  2. Step 2: Convert to fraction form
    288,495.78/432,356.86 = 224,531.18/x
  3. Step 3: Cross multiply
    288,495.78x = 432,356.86 × 224,531.18
  4. Step 4: Simplify right side
    288,495.78x = 97,077,595,956.89
  5. Step 5: Solve for x
    x = 97,077,595,956.89/288,495.78
  6. Step 6: Final answer
    x = 336,495.72

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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.