Home / 282,762.24-390,049.20-169,519.20

Finding the Fourth Proportional to 282,762.24, 390,049.20 and 169,519.20

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Solution

The fourth proportional to 282,762.24, 390,049.20 and 169,519.20 is: 233,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,762.24 : 390,049.20 = 169,519.20 : x
  2. Step 2: Convert to fraction form
    282,762.24/390,049.20 = 169,519.20/x
  3. Step 3: Cross multiply
    282,762.24x = 390,049.20 × 169,519.20
  4. Step 4: Simplify right side
    282,762.24x = 66,120,828,344.64
  5. Step 5: Solve for x
    x = 66,120,828,344.64/282,762.24
  6. Step 6: Final answer
    x = 233,838.96

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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.