Home / 448,028.76-671,965.38-152,540.76

Finding the Fourth Proportional to 448,028.76, 671,965.38 and 152,540.76

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Solution

The fourth proportional to 448,028.76, 671,965.38 and 152,540.76 is: 228,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,028.76 : 671,965.38 = 152,540.76 : x
  2. Step 2: Convert to fraction form
    448,028.76/671,965.38 = 152,540.76/x
  3. Step 3: Cross multiply
    448,028.76x = 671,965.38 × 152,540.76
  4. Step 4: Simplify right side
    448,028.76x = 102,502,109,758.89
  5. Step 5: Solve for x
    x = 102,502,109,758.89/448,028.76
  6. Step 6: Final answer
    x = 228,784.66

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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.