Home / 282,908.14-390,417.10-162,049.35

Finding the Fourth Proportional to 282,908.14, 390,417.10 and 162,049.35

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Solution

The fourth proportional to 282,908.14, 390,417.10 and 162,049.35 is: 223,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,908.14 : 390,417.10 = 162,049.35 : x
  2. Step 2: Convert to fraction form
    282,908.14/390,417.10 = 162,049.35/x
  3. Step 3: Cross multiply
    282,908.14x = 390,417.10 × 162,049.35
  4. Step 4: Simplify right side
    282,908.14x = 63,266,838,342.83
  5. Step 5: Solve for x
    x = 63,266,838,342.83/282,908.14
  6. Step 6: Final answer
    x = 223,630.32

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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.