Home / 293,225.20-439,837.80-266,981.20

Finding the Fourth Proportional to 293,225.20, 439,837.80 and 266,981.20

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Solution

The fourth proportional to 293,225.20, 439,837.80 and 266,981.20 is: 400,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,225.20 : 439,837.80 = 266,981.20 : x
  2. Step 2: Convert to fraction form
    293,225.20/439,837.80 = 266,981.20/x
  3. Step 3: Cross multiply
    293,225.20x = 439,837.80 × 266,981.20
  4. Step 4: Simplify right side
    293,225.20x = 117,428,423,649.36
  5. Step 5: Solve for x
    x = 117,428,423,649.36/293,225.20
  6. Step 6: Final answer
    x = 400,471.80

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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.