Home / 291,718.46-437,419.74-131,607.28

Finding the Fourth Proportional to 291,718.46, 437,419.74 and 131,607.28

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Solution

The fourth proportional to 291,718.46, 437,419.74 and 131,607.28 is: 197,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,718.46 : 437,419.74 = 131,607.28 : x
  2. Step 2: Convert to fraction form
    291,718.46/437,419.74 = 131,607.28/x
  3. Step 3: Cross multiply
    291,718.46x = 437,419.74 × 131,607.28
  4. Step 4: Simplify right side
    291,718.46x = 57,567,623,240.01
  5. Step 5: Solve for x
    x = 57,567,623,240.01/291,718.46
  6. Step 6: Final answer
    x = 197,339.66

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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.