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Finding the Fourth Proportional to 370,825, 556,209.56 and 118,095.28

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Solution

The fourth proportional to 370,825, 556,209.56 and 118,095.28 is: 177,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,825 : 556,209.56 = 118,095.28 : x
  2. Step 2: Convert to fraction form
    370,825/556,209.56 = 118,095.28/x
  3. Step 3: Cross multiply
    370,825x = 556,209.56 × 118,095.28
  4. Step 4: Simplify right side
    370,825x = 65,685,723,136.40
  5. Step 5: Solve for x
    x = 65,685,723,136.40/370,825
  6. Step 6: Final answer
    x = 177,134.02

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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.