Home / 220,421.07-304,214.31-134,429.94

Finding the Fourth Proportional to 220,421.07, 304,214.31 and 134,429.94

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Solution

The fourth proportional to 220,421.07, 304,214.31 and 134,429.94 is: 185,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,421.07 : 304,214.31 = 134,429.94 : x
  2. Step 2: Convert to fraction form
    220,421.07/304,214.31 = 134,429.94/x
  3. Step 3: Cross multiply
    220,421.07x = 304,214.31 × 134,429.94
  4. Step 4: Simplify right side
    220,421.07x = 40,895,511,440.44
  5. Step 5: Solve for x
    x = 40,895,511,440.44/220,421.07
  6. Step 6: Final answer
    x = 185,533.59

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1.5x scale

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.