Home / 478,134.54-659,840.19-263,282.31

Finding the Fourth Proportional to 478,134.54, 659,840.19 and 263,282.31

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Solution

The fourth proportional to 478,134.54, 659,840.19 and 263,282.31 is: 363,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,134.54 : 659,840.19 = 263,282.31 : x
  2. Step 2: Convert to fraction form
    478,134.54/659,840.19 = 263,282.31/x
  3. Step 3: Cross multiply
    478,134.54x = 659,840.19 × 263,282.31
  4. Step 4: Simplify right side
    478,134.54x = 173,724,249,454.04
  5. Step 5: Solve for x
    x = 173,724,249,454.04/478,134.54
  6. Step 6: Final answer
    x = 363,337.59

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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.