Home / 282,947.20-390,336.24-169,573.12

Finding the Fourth Proportional to 282,947.20, 390,336.24 and 169,573.12

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Solution

The fourth proportional to 282,947.20, 390,336.24 and 169,573.12 is: 233,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,947.20 : 390,336.24 = 169,573.12 : x
  2. Step 2: Convert to fraction form
    282,947.20/390,336.24 = 169,573.12/x
  3. Step 3: Cross multiply
    282,947.20x = 390,336.24 × 169,573.12
  4. Step 4: Simplify right side
    282,947.20x = 66,190,534,065.87
  5. Step 5: Solve for x
    x = 66,190,534,065.87/282,947.20
  6. Step 6: Final answer
    x = 233,932.46

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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.