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Finding the Fourth Proportional to 240,675.10, 332,027.32 and 145,128.71

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Solution

The fourth proportional to 240,675.10, 332,027.32 and 145,128.71 is: 200,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,675.10 : 332,027.32 = 145,128.71 : x
  2. Step 2: Convert to fraction form
    240,675.10/332,027.32 = 145,128.71/x
  3. Step 3: Cross multiply
    240,675.10x = 332,027.32 × 145,128.71
  4. Step 4: Simplify right side
    240,675.10x = 48,186,696,636.36
  5. Step 5: Solve for x
    x = 48,186,696,636.36/240,675.10
  6. Step 6: Final answer
    x = 200,214.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.