Home / 282,868.17-390,325.35-162,002.25

Finding the Fourth Proportional to 282,868.17, 390,325.35 and 162,002.25

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Solution

The fourth proportional to 282,868.17, 390,325.35 and 162,002.25 is: 223,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,868.17 : 390,325.35 = 162,002.25 : x
  2. Step 2: Convert to fraction form
    282,868.17/390,325.35 = 162,002.25/x
  3. Step 3: Cross multiply
    282,868.17x = 390,325.35 × 162,002.25
  4. Step 4: Simplify right side
    282,868.17x = 63,233,584,932.04
  5. Step 5: Solve for x
    x = 63,233,584,932.04/282,868.17
  6. Step 6: Final answer
    x = 223,544.36

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1.5x scale

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.