Home / 297,002.10-445,503.15-190,713.90

Finding the Fourth Proportional to 297,002.10, 445,503.15 and 190,713.90

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Solution

The fourth proportional to 297,002.10, 445,503.15 and 190,713.90 is: 286,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,002.10 : 445,503.15 = 190,713.90 : x
  2. Step 2: Convert to fraction form
    297,002.10/445,503.15 = 190,713.90/x
  3. Step 3: Cross multiply
    297,002.10x = 445,503.15 × 190,713.90
  4. Step 4: Simplify right side
    297,002.10x = 84,963,643,198.79
  5. Step 5: Solve for x
    x = 84,963,643,198.79/297,002.10
  6. Step 6: Final answer
    x = 286,070.85

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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.