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Finding the Fourth Proportional to 554,265.12, 830,863.08 and 254,950.68

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Solution

The fourth proportional to 554,265.12, 830,863.08 and 254,950.68 is: 382,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,265.12 : 830,863.08 = 254,950.68 : x
  2. Step 2: Convert to fraction form
    554,265.12/830,863.08 = 254,950.68/x
  3. Step 3: Cross multiply
    554,265.12x = 830,863.08 × 254,950.68
  4. Step 4: Simplify right side
    554,265.12x = 211,829,107,232.89
  5. Step 5: Solve for x
    x = 211,829,107,232.89/554,265.12
  6. Step 6: Final answer
    x = 382,180.11

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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.