Home / 314,546.48-469,539.17-291,131.90

Finding the Fourth Proportional to 314,546.48, 469,539.17 and 291,131.90

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Solution

The fourth proportional to 314,546.48, 469,539.17 and 291,131.90 is: 434,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,546.48 : 469,539.17 = 291,131.90 : x
  2. Step 2: Convert to fraction form
    314,546.48/469,539.17 = 291,131.90/x
  3. Step 3: Cross multiply
    314,546.48x = 469,539.17 × 291,131.90
  4. Step 4: Simplify right side
    314,546.48x = 136,697,830,686.52
  5. Step 5: Solve for x
    x = 136,697,830,686.52/314,546.48
  6. Step 6: Final answer
    x = 434,587.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.