Home / 292,882.20-438,740.10-152,719.80

Finding the Fourth Proportional to 292,882.20, 438,740.10 and 152,719.80

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Solution

The fourth proportional to 292,882.20, 438,740.10 and 152,719.80 is: 228,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,882.20 : 438,740.10 = 152,719.80 : x
  2. Step 2: Convert to fraction form
    292,882.20/438,740.10 = 152,719.80/x
  3. Step 3: Cross multiply
    292,882.20x = 438,740.10 × 152,719.80
  4. Step 4: Simplify right side
    292,882.20x = 67,004,300,323.98
  5. Step 5: Solve for x
    x = 67,004,300,323.98/292,882.20
  6. Step 6: Final answer
    x = 228,775.60

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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.