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Finding the Fourth Proportional to 403,403.20, 604,183.20 and 237,515.20

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Solution

The fourth proportional to 403,403.20, 604,183.20 and 237,515.20 is: 355,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,403.20 : 604,183.20 = 237,515.20 : x
  2. Step 2: Convert to fraction form
    403,403.20/604,183.20 = 237,515.20/x
  3. Step 3: Cross multiply
    403,403.20x = 604,183.20 × 237,515.20
  4. Step 4: Simplify right side
    403,403.20x = 143,502,693,584.64
  5. Step 5: Solve for x
    x = 143,502,693,584.64/403,403.20
  6. Step 6: Final answer
    x = 355,730.18

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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.