Home / 319,780.95-479,922.01-223,089.35

Finding the Fourth Proportional to 319,780.95, 479,922.01 and 223,089.35

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Solution

The fourth proportional to 319,780.95, 479,922.01 and 223,089.35 is: 334,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,780.95 : 479,922.01 = 223,089.35 : x
  2. Step 2: Convert to fraction form
    319,780.95/479,922.01 = 223,089.35/x
  3. Step 3: Cross multiply
    319,780.95x = 479,922.01 × 223,089.35
  4. Step 4: Simplify right side
    319,780.95x = 107,065,489,261.59
  5. Step 5: Solve for x
    x = 107,065,489,261.59/319,780.95
  6. Step 6: Final answer
    x = 334,808.84

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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.