Home / 386,472.13-579,436.57-170,228.24

Finding the Fourth Proportional to 386,472.13, 579,436.57 and 170,228.24

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Solution

The fourth proportional to 386,472.13, 579,436.57 and 170,228.24 is: 255,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,472.13 : 579,436.57 = 170,228.24 : x
  2. Step 2: Convert to fraction form
    386,472.13/579,436.57 = 170,228.24/x
  3. Step 3: Cross multiply
    386,472.13x = 579,436.57 × 170,228.24
  4. Step 4: Simplify right side
    386,472.13x = 98,636,463,754.41
  5. Step 5: Solve for x
    x = 98,636,463,754.41/386,472.13
  6. Step 6: Final answer
    x = 255,222.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.