Home / 264,821.16-397,209.87-122,637

Finding the Fourth Proportional to 264,821.16, 397,209.87 and 122,637

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Solution

The fourth proportional to 264,821.16, 397,209.87 and 122,637 is: 183,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,821.16 : 397,209.87 = 122,637 : x
  2. Step 2: Convert to fraction form
    264,821.16/397,209.87 = 122,637/x
  3. Step 3: Cross multiply
    264,821.16x = 397,209.87 × 122,637
  4. Step 4: Simplify right side
    264,821.16x = 48,712,626,827.19
  5. Step 5: Solve for x
    x = 48,712,626,827.19/264,821.16
  6. Step 6: Final answer
    x = 183,945.37

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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.