Home / 319,829.16-479,590.38-151,208.76

Finding the Fourth Proportional to 319,829.16, 479,590.38 and 151,208.76

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Solution

The fourth proportional to 319,829.16, 479,590.38 and 151,208.76 is: 226,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,829.16 : 479,590.38 = 151,208.76 : x
  2. Step 2: Convert to fraction form
    319,829.16/479,590.38 = 151,208.76/x
  3. Step 3: Cross multiply
    319,829.16x = 479,590.38 × 151,208.76
  4. Step 4: Simplify right side
    319,829.16x = 72,518,266,667.73
  5. Step 5: Solve for x
    x = 72,518,266,667.73/319,829.16
  6. Step 6: Final answer
    x = 226,740.63

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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.