Home / 249,946.60-345,589.86-218,453.80

Finding the Fourth Proportional to 249,946.60, 345,589.86 and 218,453.80

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Solution

The fourth proportional to 249,946.60, 345,589.86 and 218,453.80 is: 302,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,946.60 : 345,589.86 = 218,453.80 : x
  2. Step 2: Convert to fraction form
    249,946.60/345,589.86 = 218,453.80/x
  3. Step 3: Cross multiply
    249,946.60x = 345,589.86 × 218,453.80
  4. Step 4: Simplify right side
    249,946.60x = 75,495,418,158.47
  5. Step 5: Solve for x
    x = 75,495,418,158.47/249,946.60
  6. Step 6: Final answer
    x = 302,046.19

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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.