Home / 291,534.78-437,429.25-102,131.22

Finding the Fourth Proportional to 291,534.78, 437,429.25 and 102,131.22

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Solution

The fourth proportional to 291,534.78, 437,429.25 and 102,131.22 is: 153,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.78 : 437,429.25 = 102,131.22 : x
  2. Step 2: Convert to fraction form
    291,534.78/437,429.25 = 102,131.22/x
  3. Step 3: Cross multiply
    291,534.78x = 437,429.25 × 102,131.22
  4. Step 4: Simplify right side
    291,534.78x = 44,675,182,966.19
  5. Step 5: Solve for x
    x = 44,675,182,966.19/291,534.78
  6. Step 6: Final answer
    x = 153,241.35

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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.