Home / 326,386.98-489,731.04-148,948.38

Finding the Fourth Proportional to 326,386.98, 489,731.04 and 148,948.38

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Solution

The fourth proportional to 326,386.98, 489,731.04 and 148,948.38 is: 223,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,386.98 : 489,731.04 = 148,948.38 : x
  2. Step 2: Convert to fraction form
    326,386.98/489,731.04 = 148,948.38/x
  3. Step 3: Cross multiply
    326,386.98x = 489,731.04 × 148,948.38
  4. Step 4: Simplify right side
    326,386.98x = 72,944,645,043.72
  5. Step 5: Solve for x
    x = 72,944,645,043.72/326,386.98
  6. Step 6: Final answer
    x = 223,491.28

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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.