Home / 319,897.35-479,855.75-109,532.25

Finding the Fourth Proportional to 319,897.35, 479,855.75 and 109,532.25

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Solution

The fourth proportional to 319,897.35, 479,855.75 and 109,532.25 is: 164,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,897.35 : 479,855.75 = 109,532.25 : x
  2. Step 2: Convert to fraction form
    319,897.35/479,855.75 = 109,532.25/x
  3. Step 3: Cross multiply
    319,897.35x = 479,855.75 × 109,532.25
  4. Step 4: Simplify right side
    319,897.35x = 52,559,679,425.28
  5. Step 5: Solve for x
    x = 52,559,679,425.28/319,897.35
  6. Step 6: Final answer
    x = 164,301.70

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1.5x scale

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.