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Finding the Fourth Proportional to 567,919.20, 851,155.20 and 301,807.20

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Solution

The fourth proportional to 567,919.20, 851,155.20 and 301,807.20 is: 452,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,919.20 : 851,155.20 = 301,807.20 : x
  2. Step 2: Convert to fraction form
    567,919.20/851,155.20 = 301,807.20/x
  3. Step 3: Cross multiply
    567,919.20x = 851,155.20 × 301,807.20
  4. Step 4: Simplify right side
    567,919.20x = 256,884,767,677.44
  5. Step 5: Solve for x
    x = 256,884,767,677.44/567,919.20
  6. Step 6: Final answer
    x = 452,326.26

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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.