Home / 268,446.20-402,669.30-144,030.20

Finding the Fourth Proportional to 268,446.20, 402,669.30 and 144,030.20

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Solution

The fourth proportional to 268,446.20, 402,669.30 and 144,030.20 is: 216,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,446.20 : 402,669.30 = 144,030.20 : x
  2. Step 2: Convert to fraction form
    268,446.20/402,669.30 = 144,030.20/x
  3. Step 3: Cross multiply
    268,446.20x = 402,669.30 × 144,030.20
  4. Step 4: Simplify right side
    268,446.20x = 57,996,539,812.86
  5. Step 5: Solve for x
    x = 57,996,539,812.86/268,446.20
  6. Step 6: Final answer
    x = 216,045.30

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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.