Home / 328,250.68-453,116.40-282,127.74

Finding the Fourth Proportional to 328,250.68, 453,116.40 and 282,127.74

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Solution

The fourth proportional to 328,250.68, 453,116.40 and 282,127.74 is: 389,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,250.68 : 453,116.40 = 282,127.74 : x
  2. Step 2: Convert to fraction form
    328,250.68/453,116.40 = 282,127.74/x
  3. Step 3: Cross multiply
    328,250.68x = 453,116.40 × 282,127.74
  4. Step 4: Simplify right side
    328,250.68x = 127,836,705,888.94
  5. Step 5: Solve for x
    x = 127,836,705,888.94/328,250.68
  6. Step 6: Final answer
    x = 389,448.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.