Home / 383,810.03-575,312.86-215,082.98

Finding the Fourth Proportional to 383,810.03, 575,312.86 and 215,082.98

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Solution

The fourth proportional to 383,810.03, 575,312.86 and 215,082.98 is: 322,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,810.03 : 575,312.86 = 215,082.98 : x
  2. Step 2: Convert to fraction form
    383,810.03/575,312.86 = 215,082.98/x
  3. Step 3: Cross multiply
    383,810.03x = 575,312.86 × 215,082.98
  4. Step 4: Simplify right side
    383,810.03x = 123,740,004,361.12
  5. Step 5: Solve for x
    x = 123,740,004,361.12/383,810.03
  6. Step 6: Final answer
    x = 322,399.09

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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.