Home / 311,482.85-430,033.03-204,239.93

Finding the Fourth Proportional to 311,482.85, 430,033.03 and 204,239.93

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Solution

The fourth proportional to 311,482.85, 430,033.03 and 204,239.93 is: 281,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,482.85 : 430,033.03 = 204,239.93 : x
  2. Step 2: Convert to fraction form
    311,482.85/430,033.03 = 204,239.93/x
  3. Step 3: Cross multiply
    311,482.85x = 430,033.03 × 204,239.93
  4. Step 4: Simplify right side
    311,482.85x = 87,829,913,284.12
  5. Step 5: Solve for x
    x = 87,829,913,284.12/311,482.85
  6. Step 6: Final answer
    x = 281,973.52

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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.