Home / 500,220.39-749,870.79-180,293.96

Finding the Fourth Proportional to 500,220.39, 749,870.79 and 180,293.96

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Solution

The fourth proportional to 500,220.39, 749,870.79 and 180,293.96 is: 270,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,220.39 : 749,870.79 = 180,293.96 : x
  2. Step 2: Convert to fraction form
    500,220.39/749,870.79 = 180,293.96/x
  3. Step 3: Cross multiply
    500,220.39x = 749,870.79 × 180,293.96
  4. Step 4: Simplify right side
    500,220.39x = 135,197,170,468.07
  5. Step 5: Solve for x
    x = 135,197,170,468.07/500,220.39
  6. Step 6: Final answer
    x = 270,275.21

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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.