Home / 257,182.04-385,405.45-144,626.00

Finding the Fourth Proportional to 257,182.04, 385,405.45 and 144,626.00

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Solution

The fourth proportional to 257,182.04, 385,405.45 and 144,626.00 is: 216,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,182.04 : 385,405.45 = 144,626.00 : x
  2. Step 2: Convert to fraction form
    257,182.04/385,405.45 = 144,626.00/x
  3. Step 3: Cross multiply
    257,182.04x = 385,405.45 × 144,626.00
  4. Step 4: Simplify right side
    257,182.04x = 55,739,646,323.11
  5. Step 5: Solve for x
    x = 55,739,646,323.11/257,182.04
  6. Step 6: Final answer
    x = 216,732.26

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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.