Home / 307,793.34-462,115.26-212,790.06

Finding the Fourth Proportional to 307,793.34, 462,115.26 and 212,790.06

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Solution

The fourth proportional to 307,793.34, 462,115.26 and 212,790.06 is: 319,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,793.34 : 462,115.26 = 212,790.06 : x
  2. Step 2: Convert to fraction form
    307,793.34/462,115.26 = 212,790.06/x
  3. Step 3: Cross multiply
    307,793.34x = 462,115.26 × 212,790.06
  4. Step 4: Simplify right side
    307,793.34x = 98,333,533,902.32
  5. Step 5: Solve for x
    x = 98,333,533,902.32/307,793.34
  6. Step 6: Final answer
    x = 319,479.08

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1.5x scale

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.