Home / 670,033.60-1,005,088.68-190,223.88

Finding the Fourth Proportional to 670,033.60, 1,005,088.68 and 190,223.88

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Solution

The fourth proportional to 670,033.60, 1,005,088.68 and 190,223.88 is: 285,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,033.60 : 1,005,088.68 = 190,223.88 : x
  2. Step 2: Convert to fraction form
    670,033.60/1,005,088.68 = 190,223.88/x
  3. Step 3: Cross multiply
    670,033.60x = 1,005,088.68 × 190,223.88
  4. Step 4: Simplify right side
    670,033.60x = 191,191,868,453.68
  5. Step 5: Solve for x
    x = 191,191,868,453.68/670,033.60
  6. Step 6: Final answer
    x = 285,346.69

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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.