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Finding the Fourth Proportional to 370,842.80, 556,264.20 and 370,842.80

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Solution

The fourth proportional to 370,842.80, 556,264.20 and 370,842.80 is: 556,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,842.80 : 556,264.20 = 370,842.80 : x
  2. Step 2: Convert to fraction form
    370,842.80/556,264.20 = 370,842.80/x
  3. Step 3: Cross multiply
    370,842.80x = 556,264.20 × 370,842.80
  4. Step 4: Simplify right side
    370,842.80x = 206,286,573,467.76
  5. Step 5: Solve for x
    x = 206,286,573,467.76/370,842.80
  6. Step 6: Final answer
    x = 556,264.20

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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.