Home / 291,463.11-436,899.29-141,577.07

Finding the Fourth Proportional to 291,463.11, 436,899.29 and 141,577.07

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Solution

The fourth proportional to 291,463.11, 436,899.29 and 141,577.07 is: 212,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,463.11 : 436,899.29 = 141,577.07 : x
  2. Step 2: Convert to fraction form
    291,463.11/436,899.29 = 141,577.07/x
  3. Step 3: Cross multiply
    291,463.11x = 436,899.29 × 141,577.07
  4. Step 4: Simplify right side
    291,463.11x = 61,854,918,470.90
  5. Step 5: Solve for x
    x = 61,854,918,470.90/291,463.11
  6. Step 6: Final answer
    x = 212,222.12

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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.