Home / 288,444.76-397,795.19-240,206.42

Finding the Fourth Proportional to 288,444.76, 397,795.19 and 240,206.42

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Solution

The fourth proportional to 288,444.76, 397,795.19 and 240,206.42 is: 331,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,444.76 : 397,795.19 = 240,206.42 : x
  2. Step 2: Convert to fraction form
    288,444.76/397,795.19 = 240,206.42/x
  3. Step 3: Cross multiply
    288,444.76x = 397,795.19 × 240,206.42
  4. Step 4: Simplify right side
    288,444.76x = 95,552,957,094.66
  5. Step 5: Solve for x
    x = 95,552,957,094.66/288,444.76
  6. Step 6: Final answer
    x = 331,269.52

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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.