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Finding the Fourth Proportional to 366,947.18, 550,420.76 and 366,947.18

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Solution

The fourth proportional to 366,947.18, 550,420.76 and 366,947.18 is: 550,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,947.18 : 550,420.76 = 366,947.18 : x
  2. Step 2: Convert to fraction form
    366,947.18/550,420.76 = 366,947.18/x
  3. Step 3: Cross multiply
    366,947.18x = 550,420.76 × 366,947.18
  4. Step 4: Simplify right side
    366,947.18x = 201,975,345,695.46
  5. Step 5: Solve for x
    x = 201,975,345,695.46/366,947.18
  6. Step 6: Final answer
    x = 550,420.76

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1.5x scale

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.