Home / 469,516.50-647,932.77-268,312.50

Finding the Fourth Proportional to 469,516.50, 647,932.77 and 268,312.50

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Solution

The fourth proportional to 469,516.50, 647,932.77 and 268,312.50 is: 370,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,516.50 : 647,932.77 = 268,312.50 : x
  2. Step 2: Convert to fraction form
    469,516.50/647,932.77 = 268,312.50/x
  3. Step 3: Cross multiply
    469,516.50x = 647,932.77 × 268,312.50
  4. Step 4: Simplify right side
    469,516.50x = 173,848,461,350.63
  5. Step 5: Solve for x
    x = 173,848,461,350.63/469,516.50
  6. Step 6: Final answer
    x = 370,271.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.