Home / 257,246.60-385,740.30-152,097.80

Finding the Fourth Proportional to 257,246.60, 385,740.30 and 152,097.80

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Solution

The fourth proportional to 257,246.60, 385,740.30 and 152,097.80 is: 228,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,246.60 : 385,740.30 = 152,097.80 : x
  2. Step 2: Convert to fraction form
    257,246.60/385,740.30 = 152,097.80/x
  3. Step 3: Cross multiply
    257,246.60x = 385,740.30 × 152,097.80
  4. Step 4: Simplify right side
    257,246.60x = 58,670,251,001.34
  5. Step 5: Solve for x
    x = 58,670,251,001.34/257,246.60
  6. Step 6: Final answer
    x = 228,070.07

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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.