Home / 282,674.24-390,117.90-161,832.78

Finding the Fourth Proportional to 282,674.24, 390,117.90 and 161,832.78

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Solution

The fourth proportional to 282,674.24, 390,117.90 and 161,832.78 is: 223,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,674.24 : 390,117.90 = 161,832.78 : x
  2. Step 2: Convert to fraction form
    282,674.24/390,117.90 = 161,832.78/x
  3. Step 3: Cross multiply
    282,674.24x = 390,117.90 × 161,832.78
  4. Step 4: Simplify right side
    282,674.24x = 63,133,864,284.76
  5. Step 5: Solve for x
    x = 63,133,864,284.76/282,674.24
  6. Step 6: Final answer
    x = 223,344.95

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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.