Home / 478,005.23-659,666.04-263,165.30

Finding the Fourth Proportional to 478,005.23, 659,666.04 and 263,165.30

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Solution

The fourth proportional to 478,005.23, 659,666.04 and 263,165.30 is: 363,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,005.23 : 659,666.04 = 263,165.30 : x
  2. Step 2: Convert to fraction form
    478,005.23/659,666.04 = 263,165.30/x
  3. Step 3: Cross multiply
    478,005.23x = 659,666.04 × 263,165.30
  4. Step 4: Simplify right side
    478,005.23x = 173,601,211,316.41
  5. Step 5: Solve for x
    x = 173,601,211,316.41/478,005.23
  6. Step 6: Final answer
    x = 363,178.48

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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.