Home / 254,701.48-382,030.20-86,218.21

Finding the Fourth Proportional to 254,701.48, 382,030.20 and 86,218.21

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Solution

The fourth proportional to 254,701.48, 382,030.20 and 86,218.21 is: 129,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,701.48 : 382,030.20 = 86,218.21 : x
  2. Step 2: Convert to fraction form
    254,701.48/382,030.20 = 86,218.21/x
  3. Step 3: Cross multiply
    254,701.48x = 382,030.20 × 86,218.21
  4. Step 4: Simplify right side
    254,701.48x = 32,937,960,009.94
  5. Step 5: Solve for x
    x = 32,937,960,009.94/254,701.48
  6. Step 6: Final answer
    x = 129,319.86

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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.