Home / 326,918.10-489,463.52-176,619.90

Finding the Fourth Proportional to 326,918.10, 489,463.52 and 176,619.90

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Solution

The fourth proportional to 326,918.10, 489,463.52 and 176,619.90 is: 264,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,918.10 : 489,463.52 = 176,619.90 : x
  2. Step 2: Convert to fraction form
    326,918.10/489,463.52 = 176,619.90/x
  3. Step 3: Cross multiply
    326,918.10x = 489,463.52 × 176,619.90
  4. Step 4: Simplify right side
    326,918.10x = 86,448,997,956.05
  5. Step 5: Solve for x
    x = 86,448,997,956.05/326,918.10
  6. Step 6: Final answer
    x = 264,436.25

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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.