Home / 386,682.60-579,851.10-149,946.60

Finding the Fourth Proportional to 386,682.60, 579,851.10 and 149,946.60

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Solution

The fourth proportional to 386,682.60, 579,851.10 and 149,946.60 is: 224,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,682.60 : 579,851.10 = 149,946.60 : x
  2. Step 2: Convert to fraction form
    386,682.60/579,851.10 = 149,946.60/x
  3. Step 3: Cross multiply
    386,682.60x = 579,851.10 × 149,946.60
  4. Step 4: Simplify right side
    386,682.60x = 86,946,700,951.26
  5. Step 5: Solve for x
    x = 86,946,700,951.26/386,682.60
  6. Step 6: Final answer
    x = 224,852.89

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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.