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Finding the Fourth Proportional to 249,080.50, 343,730.89 and 135,903.25

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Solution

The fourth proportional to 249,080.50, 343,730.89 and 135,903.25 is: 187,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,080.50 : 343,730.89 = 135,903.25 : x
  2. Step 2: Convert to fraction form
    249,080.50/343,730.89 = 135,903.25/x
  3. Step 3: Cross multiply
    249,080.50x = 343,730.89 × 135,903.25
  4. Step 4: Simplify right side
    249,080.50x = 46,714,145,675.94
  5. Step 5: Solve for x
    x = 46,714,145,675.94/249,080.50
  6. Step 6: Final answer
    x = 187,546.38

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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.