Home / 402,022.16-555,050.21-249,223.65

Finding the Fourth Proportional to 402,022.16, 555,050.21 and 249,223.65

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Solution

The fourth proportional to 402,022.16, 555,050.21 and 249,223.65 is: 344,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022.16 : 555,050.21 = 249,223.65 : x
  2. Step 2: Convert to fraction form
    402,022.16/555,050.21 = 249,223.65/x
  3. Step 3: Cross multiply
    402,022.16x = 555,050.21 × 249,223.65
  4. Step 4: Simplify right side
    402,022.16x = 138,331,638,023.35
  5. Step 5: Solve for x
    x = 138,331,638,023.35/402,022.16
  6. Step 6: Final answer
    x = 344,089.59

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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.