Home / 475,085.10-655,581.96-271,130.34

Finding the Fourth Proportional to 475,085.10, 655,581.96 and 271,130.34

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Solution

The fourth proportional to 475,085.10, 655,581.96 and 271,130.34 is: 374,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,085.10 : 655,581.96 = 271,130.34 : x
  2. Step 2: Convert to fraction form
    475,085.10/655,581.96 = 271,130.34/x
  3. Step 3: Cross multiply
    475,085.10x = 655,581.96 × 271,130.34
  4. Step 4: Simplify right side
    475,085.10x = 177,748,159,712.67
  5. Step 5: Solve for x
    x = 177,748,159,712.67/475,085.10
  6. Step 6: Final answer
    x = 374,139.62

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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.