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Finding the Fourth Proportional to 385,024.88, 576,411.12 and 224,610.32

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Solution

The fourth proportional to 385,024.88, 576,411.12 and 224,610.32 is: 336,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,024.88 : 576,411.12 = 224,610.32 : x
  2. Step 2: Convert to fraction form
    385,024.88/576,411.12 = 224,610.32/x
  3. Step 3: Cross multiply
    385,024.88x = 576,411.12 × 224,610.32
  4. Step 4: Simplify right side
    385,024.88x = 129,467,886,114.76
  5. Step 5: Solve for x
    x = 129,467,886,114.76/385,024.88
  6. Step 6: Final answer
    x = 336,258.49

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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.