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Finding the Fourth Proportional to 249,314.86, 344,009.19 and 147,357.46

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Solution

The fourth proportional to 249,314.86, 344,009.19 and 147,357.46 is: 203,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,314.86 : 344,009.19 = 147,357.46 : x
  2. Step 2: Convert to fraction form
    249,314.86/344,009.19 = 147,357.46/x
  3. Step 3: Cross multiply
    249,314.86x = 344,009.19 × 147,357.46
  4. Step 4: Simplify right side
    249,314.86x = 50,692,320,455.06
  5. Step 5: Solve for x
    x = 50,692,320,455.06/249,314.86
  6. Step 6: Final answer
    x = 203,326.51

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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.