Home / 347,729.82-521,594.70-189,872.16

Finding the Fourth Proportional to 347,729.82, 521,594.70 and 189,872.16

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Solution

The fourth proportional to 347,729.82, 521,594.70 and 189,872.16 is: 284,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,729.82 : 521,594.70 = 189,872.16 : x
  2. Step 2: Convert to fraction form
    347,729.82/521,594.70 = 189,872.16/x
  3. Step 3: Cross multiply
    347,729.82x = 521,594.70 × 189,872.16
  4. Step 4: Simplify right side
    347,729.82x = 99,036,312,333.55
  5. Step 5: Solve for x
    x = 99,036,312,333.55/347,729.82
  6. Step 6: Final answer
    x = 284,808.22

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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.