Home / 203,050.37-304,242.65-143,779.64

Finding the Fourth Proportional to 203,050.37, 304,242.65 and 143,779.64

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Solution

The fourth proportional to 203,050.37, 304,242.65 and 143,779.64 is: 215,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,050.37 : 304,242.65 = 143,779.64 : x
  2. Step 2: Convert to fraction form
    203,050.37/304,242.65 = 143,779.64/x
  3. Step 3: Cross multiply
    203,050.37x = 304,242.65 × 143,779.64
  4. Step 4: Simplify right side
    203,050.37x = 43,743,896,988.71
  5. Step 5: Solve for x
    x = 43,743,896,988.71/203,050.37
  6. Step 6: Final answer
    x = 215,433.72

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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.