Home / 282,767.13-390,228.14-166,459.61

Finding the Fourth Proportional to 282,767.13, 390,228.14 and 166,459.61

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Solution

The fourth proportional to 282,767.13, 390,228.14 and 166,459.61 is: 229,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,767.13 : 390,228.14 = 166,459.61 : x
  2. Step 2: Convert to fraction form
    282,767.13/390,228.14 = 166,459.61/x
  3. Step 3: Cross multiply
    282,767.13x = 390,228.14 × 166,459.61
  4. Step 4: Simplify right side
    282,767.13x = 64,957,221,211.99
  5. Step 5: Solve for x
    x = 64,957,221,211.99/282,767.13
  6. Step 6: Final answer
    x = 229,719.84

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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.