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Finding the Fourth Proportional to 288,519.74, 432,392.72 and 224,555.14

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Solution

The fourth proportional to 288,519.74, 432,392.72 and 224,555.14 is: 336,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,519.74 : 432,392.72 = 224,555.14 : x
  2. Step 2: Convert to fraction form
    288,519.74/432,392.72 = 224,555.14/x
  3. Step 3: Cross multiply
    288,519.74x = 432,392.72 × 224,555.14
  4. Step 4: Simplify right side
    288,519.74x = 97,096,007,774.58
  5. Step 5: Solve for x
    x = 97,096,007,774.58/288,519.74
  6. Step 6: Final answer
    x = 336,531.59

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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.