Home / 288,823.16-433,050.18-138,764.90

Finding the Fourth Proportional to 288,823.16, 433,050.18 and 138,764.90

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Solution

The fourth proportional to 288,823.16, 433,050.18 and 138,764.90 is: 208,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,823.16 : 433,050.18 = 138,764.90 : x
  2. Step 2: Convert to fraction form
    288,823.16/433,050.18 = 138,764.90/x
  3. Step 3: Cross multiply
    288,823.16x = 433,050.18 × 138,764.90
  4. Step 4: Simplify right side
    288,823.16x = 60,092,164,922.68
  5. Step 5: Solve for x
    x = 60,092,164,922.68/288,823.16
  6. Step 6: Final answer
    x = 208,058.68

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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.