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Finding the Fourth Proportional to 355,562.84, 533,344.74 and 145,200.76

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Solution

The fourth proportional to 355,562.84, 533,344.74 and 145,200.76 is: 217,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,562.84 : 533,344.74 = 145,200.76 : x
  2. Step 2: Convert to fraction form
    355,562.84/533,344.74 = 145,200.76/x
  3. Step 3: Cross multiply
    355,562.84x = 533,344.74 × 145,200.76
  4. Step 4: Simplify right side
    355,562.84x = 77,442,061,590.00
  5. Step 5: Solve for x
    x = 77,442,061,590.00/355,562.84
  6. Step 6: Final answer
    x = 217,801.34

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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.