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Finding the Fourth Proportional to 445,445.76, 614,627.84 and 264,123.84

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Solution

The fourth proportional to 445,445.76, 614,627.84 and 264,123.84 is: 364,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,445.76 : 614,627.84 = 264,123.84 : x
  2. Step 2: Convert to fraction form
    445,445.76/614,627.84 = 264,123.84/x
  3. Step 3: Cross multiply
    445,445.76x = 614,627.84 × 264,123.84
  4. Step 4: Simplify right side
    445,445.76x = 162,337,865,271.71
  5. Step 5: Solve for x
    x = 162,337,865,271.71/445,445.76
  6. Step 6: Final answer
    x = 364,439.13

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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.