Home / 231,330.60-346,995.90-213,445.80

Finding the Fourth Proportional to 231,330.60, 346,995.90 and 213,445.80

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Solution

The fourth proportional to 231,330.60, 346,995.90 and 213,445.80 is: 320,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.60 : 346,995.90 = 213,445.80 : x
  2. Step 2: Convert to fraction form
    231,330.60/346,995.90 = 213,445.80/x
  3. Step 3: Cross multiply
    231,330.60x = 346,995.90 × 213,445.80
  4. Step 4: Simplify right side
    231,330.60x = 74,064,817,472.22
  5. Step 5: Solve for x
    x = 74,064,817,472.22/231,330.60
  6. Step 6: Final answer
    x = 320,168.70

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1.5x scale

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.