Home / 297,929.16-446,295.36-137,780.60

Finding the Fourth Proportional to 297,929.16, 446,295.36 and 137,780.60

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Solution

The fourth proportional to 297,929.16, 446,295.36 and 137,780.60 is: 206,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,929.16 : 446,295.36 = 137,780.60 : x
  2. Step 2: Convert to fraction form
    297,929.16/446,295.36 = 137,780.60/x
  3. Step 3: Cross multiply
    297,929.16x = 446,295.36 × 137,780.60
  4. Step 4: Simplify right side
    297,929.16x = 61,490,842,478.02
  5. Step 5: Solve for x
    x = 61,490,842,478.02/297,929.16
  6. Step 6: Final answer
    x = 206,394.17

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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.