Home / 291,517.38-437,509.31-151,316.10

Finding the Fourth Proportional to 291,517.38, 437,509.31 and 151,316.10

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Solution

The fourth proportional to 291,517.38, 437,509.31 and 151,316.10 is: 227,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,517.38 : 437,509.31 = 151,316.10 : x
  2. Step 2: Convert to fraction form
    291,517.38/437,509.31 = 151,316.10/x
  3. Step 3: Cross multiply
    291,517.38x = 437,509.31 × 151,316.10
  4. Step 4: Simplify right side
    291,517.38x = 66,202,201,746.31
  5. Step 5: Solve for x
    x = 66,202,201,746.31/291,517.38
  6. Step 6: Final answer
    x = 227,095.21

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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.