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Finding the Fourth Proportional to 254,686.74, 382,029.66 and 67,698.24

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Solution

The fourth proportional to 254,686.74, 382,029.66 and 67,698.24 is: 101,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,686.74 : 382,029.66 = 67,698.24 : x
  2. Step 2: Convert to fraction form
    254,686.74/382,029.66 = 67,698.24/x
  3. Step 3: Cross multiply
    254,686.74x = 382,029.66 × 67,698.24
  4. Step 4: Simplify right side
    254,686.74x = 25,862,735,609.80
  5. Step 5: Solve for x
    x = 25,862,735,609.80/254,686.74
  6. Step 6: Final answer
    x = 101,547.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.