Home / 280,587.60-420,883.02-93,598.56

Finding the Fourth Proportional to 280,587.60, 420,883.02 and 93,598.56

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Solution

The fourth proportional to 280,587.60, 420,883.02 and 93,598.56 is: 140,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,587.60 : 420,883.02 = 93,598.56 : x
  2. Step 2: Convert to fraction form
    280,587.60/420,883.02 = 93,598.56/x
  3. Step 3: Cross multiply
    280,587.60x = 420,883.02 × 93,598.56
  4. Step 4: Simplify right side
    280,587.60x = 39,394,044,600.45
  5. Step 5: Solve for x
    x = 39,394,044,600.45/280,587.60
  6. Step 6: Final answer
    x = 140,398.38

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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.