Home / 372,812.50-558,877.02-145,261.63

Finding the Fourth Proportional to 372,812.50, 558,877.02 and 145,261.63

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Solution

The fourth proportional to 372,812.50, 558,877.02 and 145,261.63 is: 217,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,812.50 : 558,877.02 = 145,261.63 : x
  2. Step 2: Convert to fraction form
    372,812.50/558,877.02 = 145,261.63/x
  3. Step 3: Cross multiply
    372,812.50x = 558,877.02 × 145,261.63
  4. Step 4: Simplify right side
    372,812.50x = 81,183,386,894.74
  5. Step 5: Solve for x
    x = 81,183,386,894.74/372,812.50
  6. Step 6: Final answer
    x = 217,759.29

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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.