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Finding the Fourth Proportional to 287,066.70, 429,822.45 and 224,858.70

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Solution

The fourth proportional to 287,066.70, 429,822.45 and 224,858.70 is: 336,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,066.70 : 429,822.45 = 224,858.70 : x
  2. Step 2: Convert to fraction form
    287,066.70/429,822.45 = 224,858.70/x
  3. Step 3: Cross multiply
    287,066.70x = 429,822.45 × 224,858.70
  4. Step 4: Simplify right side
    287,066.70x = 96,649,317,337.82
  5. Step 5: Solve for x
    x = 96,649,317,337.82/287,066.70
  6. Step 6: Final answer
    x = 336,678.96

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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.