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Finding the Fourth Proportional to 366,349.20, 549,523.80 and 340,688.40

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Solution

The fourth proportional to 366,349.20, 549,523.80 and 340,688.40 is: 511,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,349.20 : 549,523.80 = 340,688.40 : x
  2. Step 2: Convert to fraction form
    366,349.20/549,523.80 = 340,688.40/x
  3. Step 3: Cross multiply
    366,349.20x = 549,523.80 × 340,688.40
  4. Step 4: Simplify right side
    366,349.20x = 187,216,384,183.92
  5. Step 5: Solve for x
    x = 187,216,384,183.92/366,349.20
  6. Step 6: Final answer
    x = 511,032.60

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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.