Home / 262,356.13-393,534.19-144,774.80

Finding the Fourth Proportional to 262,356.13, 393,534.19 and 144,774.80

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Solution

The fourth proportional to 262,356.13, 393,534.19 and 144,774.80 is: 217,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,356.13 : 393,534.19 = 144,774.80 : x
  2. Step 2: Convert to fraction form
    262,356.13/393,534.19 = 144,774.80/x
  3. Step 3: Cross multiply
    262,356.13x = 393,534.19 × 144,774.80
  4. Step 4: Simplify right side
    262,356.13x = 56,973,834,272.31
  5. Step 5: Solve for x
    x = 56,973,834,272.31/262,356.13
  6. Step 6: Final answer
    x = 217,162.20

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1.5x scale

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.