Home / 670,023.39-1,005,073.40-190,213.66

Finding the Fourth Proportional to 670,023.39, 1,005,073.40 and 190,213.66

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Solution

The fourth proportional to 670,023.39, 1,005,073.40 and 190,213.66 is: 285,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,023.39 : 1,005,073.40 = 190,213.66 : x
  2. Step 2: Convert to fraction form
    670,023.39/1,005,073.40 = 190,213.66/x
  3. Step 3: Cross multiply
    670,023.39x = 1,005,073.40 × 190,213.66
  4. Step 4: Simplify right side
    670,023.39x = 191,178,690,644.57
  5. Step 5: Solve for x
    x = 191,178,690,644.57/670,023.39
  6. Step 6: Final answer
    x = 285,331.37

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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.