Home / 354,261.25-531,389.89-88,021.65

Finding the Fourth Proportional to 354,261.25, 531,389.89 and 88,021.65

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Solution

The fourth proportional to 354,261.25, 531,389.89 and 88,021.65 is: 132,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,261.25 : 531,389.89 = 88,021.65 : x
  2. Step 2: Convert to fraction form
    354,261.25/531,389.89 = 88,021.65/x
  3. Step 3: Cross multiply
    354,261.25x = 531,389.89 × 88,021.65
  4. Step 4: Simplify right side
    354,261.25x = 46,773,814,911.12
  5. Step 5: Solve for x
    x = 46,773,814,911.12/354,261.25
  6. Step 6: Final answer
    x = 132,031.98

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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.