Home / 346,729.60-520,096.02-146,999.80

Finding the Fourth Proportional to 346,729.60, 520,096.02 and 146,999.80

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Solution

The fourth proportional to 346,729.60, 520,096.02 and 146,999.80 is: 220,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,729.60 : 520,096.02 = 146,999.80 : x
  2. Step 2: Convert to fraction form
    346,729.60/520,096.02 = 146,999.80/x
  3. Step 3: Cross multiply
    346,729.60x = 520,096.02 × 146,999.80
  4. Step 4: Simplify right side
    346,729.60x = 76,454,010,920.80
  5. Step 5: Solve for x
    x = 76,454,010,920.80/346,729.60
  6. Step 6: Final answer
    x = 220,500.39

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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.