Home / 348,823.20-523,234.80-342,918.30

Finding the Fourth Proportional to 348,823.20, 523,234.80 and 342,918.30

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Solution

The fourth proportional to 348,823.20, 523,234.80 and 342,918.30 is: 514,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,823.20 : 523,234.80 = 342,918.30 : x
  2. Step 2: Convert to fraction form
    348,823.20/523,234.80 = 342,918.30/x
  3. Step 3: Cross multiply
    348,823.20x = 523,234.80 × 342,918.30
  4. Step 4: Simplify right side
    348,823.20x = 179,426,788,116.84
  5. Step 5: Solve for x
    x = 179,426,788,116.84/348,823.20
  6. Step 6: Final answer
    x = 514,377.45

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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.