Home / 647,263.10-971,040.45-198,004.70

Finding the Fourth Proportional to 647,263.10, 971,040.45 and 198,004.70

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Solution

The fourth proportional to 647,263.10, 971,040.45 and 198,004.70 is: 297,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,263.10 : 971,040.45 = 198,004.70 : x
  2. Step 2: Convert to fraction form
    647,263.10/971,040.45 = 198,004.70/x
  3. Step 3: Cross multiply
    647,263.10x = 971,040.45 × 198,004.70
  4. Step 4: Simplify right side
    647,263.10x = 192,270,572,990.12
  5. Step 5: Solve for x
    x = 192,270,572,990.12/647,263.10
  6. Step 6: Final answer
    x = 297,051.65

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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.