Home / 291,232.60-436,848.90-231,746.20

Finding the Fourth Proportional to 291,232.60, 436,848.90 and 231,746.20

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Solution

The fourth proportional to 291,232.60, 436,848.90 and 231,746.20 is: 347,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,232.60 : 436,848.90 = 231,746.20 : x
  2. Step 2: Convert to fraction form
    291,232.60/436,848.90 = 231,746.20/x
  3. Step 3: Cross multiply
    291,232.60x = 436,848.90 × 231,746.20
  4. Step 4: Simplify right side
    291,232.60x = 101,238,072,549.18
  5. Step 5: Solve for x
    x = 101,238,072,549.18/291,232.60
  6. Step 6: Final answer
    x = 347,619.30

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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.