Home / 310,639.77-465,904.98-82,938.22

Finding the Fourth Proportional to 310,639.77, 465,904.98 and 82,938.22

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Solution

The fourth proportional to 310,639.77, 465,904.98 and 82,938.22 is: 124,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,639.77 : 465,904.98 = 82,938.22 : x
  2. Step 2: Convert to fraction form
    310,639.77/465,904.98 = 82,938.22/x
  3. Step 3: Cross multiply
    310,639.77x = 465,904.98 × 82,938.22
  4. Step 4: Simplify right side
    310,639.77x = 38,641,328,085.34
  5. Step 5: Solve for x
    x = 38,641,328,085.34/310,639.77
  6. Step 6: Final answer
    x = 124,392.73

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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.