Home / 486,261.76-671,075.04-271,443.76

Finding the Fourth Proportional to 486,261.76, 671,075.04 and 271,443.76

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Solution

The fourth proportional to 486,261.76, 671,075.04 and 271,443.76 is: 374,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,261.76 : 671,075.04 = 271,443.76 : x
  2. Step 2: Convert to fraction form
    486,261.76/671,075.04 = 271,443.76/x
  3. Step 3: Cross multiply
    486,261.76x = 671,075.04 × 271,443.76
  4. Step 4: Simplify right side
    486,261.76x = 182,159,132,099.75
  5. Step 5: Solve for x
    x = 182,159,132,099.75/486,261.76
  6. Step 6: Final answer
    x = 374,611.26

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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.