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Finding the Fourth Proportional to 295,386.54, 407,615.48 and 174,498.90

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Solution

The fourth proportional to 295,386.54, 407,615.48 and 174,498.90 is: 240,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,386.54 : 407,615.48 = 174,498.90 : x
  2. Step 2: Convert to fraction form
    295,386.54/407,615.48 = 174,498.90/x
  3. Step 3: Cross multiply
    295,386.54x = 407,615.48 × 174,498.90
  4. Step 4: Simplify right side
    295,386.54x = 71,128,452,882.97
  5. Step 5: Solve for x
    x = 71,128,452,882.97/295,386.54
  6. Step 6: Final answer
    x = 240,797.88

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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.