Home / 370,823.20-556,234.80-277,511.20

Finding the Fourth Proportional to 370,823.20, 556,234.80 and 277,511.20

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Solution

The fourth proportional to 370,823.20, 556,234.80 and 277,511.20 is: 416,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.20 : 556,234.80 = 277,511.20 : x
  2. Step 2: Convert to fraction form
    370,823.20/556,234.80 = 277,511.20/x
  3. Step 3: Cross multiply
    370,823.20x = 556,234.80 × 277,511.20
  4. Step 4: Simplify right side
    370,823.20x = 154,361,386,829.76
  5. Step 5: Solve for x
    x = 154,361,386,829.76/370,823.20
  6. Step 6: Final answer
    x = 416,266.80

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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.