Home / 402,022.70-555,050.94-249,224.18

Finding the Fourth Proportional to 402,022.70, 555,050.94 and 249,224.18

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Solution

The fourth proportional to 402,022.70, 555,050.94 and 249,224.18 is: 344,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022.70 : 555,050.94 = 249,224.18 : x
  2. Step 2: Convert to fraction form
    402,022.70/555,050.94 = 249,224.18/x
  3. Step 3: Cross multiply
    402,022.70x = 555,050.94 × 249,224.18
  4. Step 4: Simplify right side
    402,022.70x = 138,332,115,379.73
  5. Step 5: Solve for x
    x = 138,332,115,379.73/402,022.70
  6. Step 6: Final answer
    x = 344,090.31

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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.