Home / 275,988.03-380,895.22-153,492.84

Finding the Fourth Proportional to 275,988.03, 380,895.22 and 153,492.84

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Solution

The fourth proportional to 275,988.03, 380,895.22 and 153,492.84 is: 211,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,988.03 : 380,895.22 = 153,492.84 : x
  2. Step 2: Convert to fraction form
    275,988.03/380,895.22 = 153,492.84/x
  3. Step 3: Cross multiply
    275,988.03x = 380,895.22 × 153,492.84
  4. Step 4: Simplify right side
    275,988.03x = 58,464,689,060.22
  5. Step 5: Solve for x
    x = 58,464,689,060.22/275,988.03
  6. Step 6: Final answer
    x = 211,837.77

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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.