Home / 344,920.23-517,382.91-120,280.23

Finding the Fourth Proportional to 344,920.23, 517,382.91 and 120,280.23

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Solution

The fourth proportional to 344,920.23, 517,382.91 and 120,280.23 is: 180,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,920.23 : 517,382.91 = 120,280.23 : x
  2. Step 2: Convert to fraction form
    344,920.23/517,382.91 = 120,280.23/x
  3. Step 3: Cross multiply
    344,920.23x = 517,382.91 × 120,280.23
  4. Step 4: Simplify right side
    344,920.23x = 62,230,935,412.87
  5. Step 5: Solve for x
    x = 62,230,935,412.87/344,920.23
  6. Step 6: Final answer
    x = 180,421.24

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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.