Home / 357,444.17-493,149.62-228,458.13

Finding the Fourth Proportional to 357,444.17, 493,149.62 and 228,458.13

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Solution

The fourth proportional to 357,444.17, 493,149.62 and 228,458.13 is: 315,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,444.17 : 493,149.62 = 228,458.13 : x
  2. Step 2: Convert to fraction form
    357,444.17/493,149.62 = 228,458.13/x
  3. Step 3: Cross multiply
    357,444.17x = 493,149.62 × 228,458.13
  4. Step 4: Simplify right side
    357,444.17x = 112,664,038,853.12
  5. Step 5: Solve for x
    x = 112,664,038,853.12/357,444.17
  6. Step 6: Final answer
    x = 315,193.39

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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.