Home / 287,206.24-396,397.76-166,347.50

Finding the Fourth Proportional to 287,206.24, 396,397.76 and 166,347.50

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Solution

The fourth proportional to 287,206.24, 396,397.76 and 166,347.50 is: 229,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,206.24 : 396,397.76 = 166,347.50 : x
  2. Step 2: Convert to fraction form
    287,206.24/396,397.76 = 166,347.50/x
  3. Step 3: Cross multiply
    287,206.24x = 396,397.76 × 166,347.50
  4. Step 4: Simplify right side
    287,206.24x = 65,939,776,381.60
  5. Step 5: Solve for x
    x = 65,939,776,381.60/287,206.24
  6. Step 6: Final answer
    x = 229,590.33

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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.