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Finding the Fourth Proportional to 478,185.36, 659,900.10 and 263,333.12

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Solution

The fourth proportional to 478,185.36, 659,900.10 and 263,333.12 is: 363,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,185.36 : 659,900.10 = 263,333.12 : x
  2. Step 2: Convert to fraction form
    478,185.36/659,900.10 = 263,333.12/x
  3. Step 3: Cross multiply
    478,185.36x = 659,900.10 × 263,333.12
  4. Step 4: Simplify right side
    478,185.36x = 173,773,552,221.31
  5. Step 5: Solve for x
    x = 173,773,552,221.31/478,185.36
  6. Step 6: Final answer
    x = 363,402.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.