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Finding the Fourth Proportional to 249,483.60, 344,276.64 and 136,306.80

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Solution

The fourth proportional to 249,483.60, 344,276.64 and 136,306.80 is: 188,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,483.60 : 344,276.64 = 136,306.80 : x
  2. Step 2: Convert to fraction form
    249,483.60/344,276.64 = 136,306.80/x
  3. Step 3: Cross multiply
    249,483.60x = 344,276.64 × 136,306.80
  4. Step 4: Simplify right side
    249,483.60x = 46,927,247,113.15
  5. Step 5: Solve for x
    x = 46,927,247,113.15/249,483.60
  6. Step 6: Final answer
    x = 188,097.52

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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.