Home / 249,706.80-344,556.72-142,281.36

Finding the Fourth Proportional to 249,706.80, 344,556.72 and 142,281.36

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Solution

The fourth proportional to 249,706.80, 344,556.72 and 142,281.36 is: 196,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,706.80 : 344,556.72 = 142,281.36 : x
  2. Step 2: Convert to fraction form
    249,706.80/344,556.72 = 142,281.36/x
  3. Step 3: Cross multiply
    249,706.80x = 344,556.72 × 142,281.36
  4. Step 4: Simplify right side
    249,706.80x = 49,023,998,718.74
  5. Step 5: Solve for x
    x = 49,023,998,718.74/249,706.80
  6. Step 6: Final answer
    x = 196,326.25

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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.