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Finding the Fourth Proportional to 249,670.48, 344,550.60 and 136,503.76

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Solution

The fourth proportional to 249,670.48, 344,550.60 and 136,503.76 is: 188,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,670.48 : 344,550.60 = 136,503.76 : x
  2. Step 2: Convert to fraction form
    249,670.48/344,550.60 = 136,503.76/x
  3. Step 3: Cross multiply
    249,670.48x = 344,550.60 × 136,503.76
  4. Step 4: Simplify right side
    249,670.48x = 47,032,452,410.26
  5. Step 5: Solve for x
    x = 47,032,452,410.26/249,670.48
  6. Step 6: Final answer
    x = 188,378.11

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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.