Home / 380,446.12-570,625.98-99,985.24

Finding the Fourth Proportional to 380,446.12, 570,625.98 and 99,985.24

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Solution

The fourth proportional to 380,446.12, 570,625.98 and 99,985.24 is: 149,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,446.12 : 570,625.98 = 99,985.24 : x
  2. Step 2: Convert to fraction form
    380,446.12/570,625.98 = 99,985.24/x
  3. Step 3: Cross multiply
    380,446.12x = 570,625.98 × 99,985.24
  4. Step 4: Simplify right side
    380,446.12x = 57,054,175,560.54
  5. Step 5: Solve for x
    x = 57,054,175,560.54/380,446.12
  6. Step 6: Final answer
    x = 149,966.51

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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.