Home / 268,355.85-370,366.11-173,139.54

Finding the Fourth Proportional to 268,355.85, 370,366.11 and 173,139.54

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Solution

The fourth proportional to 268,355.85, 370,366.11 and 173,139.54 is: 238,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,355.85 : 370,366.11 = 173,139.54 : x
  2. Step 2: Convert to fraction form
    268,355.85/370,366.11 = 173,139.54/x
  3. Step 3: Cross multiply
    268,355.85x = 370,366.11 × 173,139.54
  4. Step 4: Simplify right side
    268,355.85x = 64,125,017,916.99
  5. Step 5: Solve for x
    x = 64,125,017,916.99/268,355.85
  6. Step 6: Final answer
    x = 238,955.17

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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.