Home / 420,118.04-579,659.19-248,040.02

Finding the Fourth Proportional to 420,118.04, 579,659.19 and 248,040.02

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Solution

The fourth proportional to 420,118.04, 579,659.19 and 248,040.02 is: 342,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,118.04 : 579,659.19 = 248,040.02 : x
  2. Step 2: Convert to fraction form
    420,118.04/579,659.19 = 248,040.02/x
  3. Step 3: Cross multiply
    420,118.04x = 579,659.19 × 248,040.02
  4. Step 4: Simplify right side
    420,118.04x = 143,778,677,599.78
  5. Step 5: Solve for x
    x = 143,778,677,599.78/420,118.04
  6. Step 6: Final answer
    x = 342,234.00

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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.