Home / 361,830.80-498,999.66-225,877.31

Finding the Fourth Proportional to 361,830.80, 498,999.66 and 225,877.31

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Solution

The fourth proportional to 361,830.80, 498,999.66 and 225,877.31 is: 311,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,830.80 : 498,999.66 = 225,877.31 : x
  2. Step 2: Convert to fraction form
    361,830.80/498,999.66 = 225,877.31/x
  3. Step 3: Cross multiply
    361,830.80x = 498,999.66 × 225,877.31
  4. Step 4: Simplify right side
    361,830.80x = 112,712,701,326.77
  5. Step 5: Solve for x
    x = 112,712,701,326.77/361,830.80
  6. Step 6: Final answer
    x = 311,506.66

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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.