Home / 421,579.61-581,969.84-268,823.13

Finding the Fourth Proportional to 421,579.61, 581,969.84 and 268,823.13

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Solution

The fourth proportional to 421,579.61, 581,969.84 and 268,823.13 is: 371,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,579.61 : 581,969.84 = 268,823.13 : x
  2. Step 2: Convert to fraction form
    421,579.61/581,969.84 = 268,823.13/x
  3. Step 3: Cross multiply
    421,579.61x = 581,969.84 × 268,823.13
  4. Step 4: Simplify right side
    421,579.61x = 156,446,953,954.40
  5. Step 5: Solve for x
    x = 156,446,953,954.40/421,579.61
  6. Step 6: Final answer
    x = 371,097.06

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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.