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Finding the Fourth Proportional to 254,859.84, 382,050.84 and 86,262.18

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Solution

The fourth proportional to 254,859.84, 382,050.84 and 86,262.18 is: 129,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,859.84 : 382,050.84 = 86,262.18 : x
  2. Step 2: Convert to fraction form
    254,859.84/382,050.84 = 86,262.18/x
  3. Step 3: Cross multiply
    254,859.84x = 382,050.84 × 86,262.18
  4. Step 4: Simplify right side
    254,859.84x = 32,956,538,329.23
  5. Step 5: Solve for x
    x = 32,956,538,329.23/254,859.84
  6. Step 6: Final answer
    x = 129,312.40

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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.