Home / 249,620.36-344,656.50-154,257.80

Finding the Fourth Proportional to 249,620.36, 344,656.50 and 154,257.80

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Solution

The fourth proportional to 249,620.36, 344,656.50 and 154,257.80 is: 212,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.36 : 344,656.50 = 154,257.80 : x
  2. Step 2: Convert to fraction form
    249,620.36/344,656.50 = 154,257.80/x
  3. Step 3: Cross multiply
    249,620.36x = 344,656.50 × 154,257.80
  4. Step 4: Simplify right side
    249,620.36x = 53,165,953,445.70
  5. Step 5: Solve for x
    x = 53,165,953,445.70/249,620.36
  6. Step 6: Final answer
    x = 212,987.25

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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.