Home / 249,565.90-344,401.13-136,388.66

Finding the Fourth Proportional to 249,565.90, 344,401.13 and 136,388.66

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Solution

The fourth proportional to 249,565.90, 344,401.13 and 136,388.66 is: 188,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,565.90 : 344,401.13 = 136,388.66 : x
  2. Step 2: Convert to fraction form
    249,565.90/344,401.13 = 136,388.66/x
  3. Step 3: Cross multiply
    249,565.90x = 344,401.13 × 136,388.66
  4. Step 4: Simplify right side
    249,565.90x = 46,972,408,623.19
  5. Step 5: Solve for x
    x = 46,972,408,623.19/249,565.90
  6. Step 6: Final answer
    x = 188,216.45

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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.