Home / 282,856.14-390,341.46-169,715.34

Finding the Fourth Proportional to 282,856.14, 390,341.46 and 169,715.34

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Solution

The fourth proportional to 282,856.14, 390,341.46 and 169,715.34 is: 234,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,856.14 : 390,341.46 = 169,715.34 : x
  2. Step 2: Convert to fraction form
    282,856.14/390,341.46 = 169,715.34/x
  3. Step 3: Cross multiply
    282,856.14x = 390,341.46 × 169,715.34
  4. Step 4: Simplify right side
    282,856.14x = 66,246,933,600.00
  5. Step 5: Solve for x
    x = 66,246,933,600.00/282,856.14
  6. Step 6: Final answer
    x = 234,207.16

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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.