Home / 397,113.93-548,017.07-218,265.93

Finding the Fourth Proportional to 397,113.93, 548,017.07 and 218,265.93

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Solution

The fourth proportional to 397,113.93, 548,017.07 and 218,265.93 is: 301,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,113.93 : 548,017.07 = 218,265.93 : x
  2. Step 2: Convert to fraction form
    397,113.93/548,017.07 = 218,265.93/x
  3. Step 3: Cross multiply
    397,113.93x = 548,017.07 × 218,265.93
  4. Step 4: Simplify right side
    397,113.93x = 119,613,454,348.10
  5. Step 5: Solve for x
    x = 119,613,454,348.10/397,113.93
  6. Step 6: Final answer
    x = 301,206.90

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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.