Home / 340,490.25-510,546.65-157,921.92

Finding the Fourth Proportional to 340,490.25, 510,546.65 and 157,921.92

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Solution

The fourth proportional to 340,490.25, 510,546.65 and 157,921.92 is: 236,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,490.25 : 510,546.65 = 157,921.92 : x
  2. Step 2: Convert to fraction form
    340,490.25/510,546.65 = 157,921.92/x
  3. Step 3: Cross multiply
    340,490.25x = 510,546.65 × 157,921.92
  4. Step 4: Simplify right side
    340,490.25x = 80,626,506,427.96
  5. Step 5: Solve for x
    x = 80,626,506,427.96/340,490.25
  6. Step 6: Final answer
    x = 236,795.35

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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.