Home / 353,291.26-529,937.13-87,051.76

Finding the Fourth Proportional to 353,291.26, 529,937.13 and 87,051.76

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Solution

The fourth proportional to 353,291.26, 529,937.13 and 87,051.76 is: 130,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,291.26 : 529,937.13 = 87,051.76 : x
  2. Step 2: Convert to fraction form
    353,291.26/529,937.13 = 87,051.76/x
  3. Step 3: Cross multiply
    353,291.26x = 529,937.13 × 87,051.76
  4. Step 4: Simplify right side
    353,291.26x = 46,131,959,855.85
  5. Step 5: Solve for x
    x = 46,131,959,855.85/353,291.26
  6. Step 6: Final answer
    x = 130,577.70

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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.