Home / 546,516.80-819,890.40-230,811.20

Finding the Fourth Proportional to 546,516.80, 819,890.40 and 230,811.20

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Solution

The fourth proportional to 546,516.80, 819,890.40 and 230,811.20 is: 346,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,516.80 : 819,890.40 = 230,811.20 : x
  2. Step 2: Convert to fraction form
    546,516.80/819,890.40 = 230,811.20/x
  3. Step 3: Cross multiply
    546,516.80x = 819,890.40 × 230,811.20
  4. Step 4: Simplify right side
    546,516.80x = 189,239,887,092.48
  5. Step 5: Solve for x
    x = 189,239,887,092.48/546,516.80
  6. Step 6: Final answer
    x = 346,265.45

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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.