Home / 328,205.90-492,308.85-210,010.70

Finding the Fourth Proportional to 328,205.90, 492,308.85 and 210,010.70

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Solution

The fourth proportional to 328,205.90, 492,308.85 and 210,010.70 is: 315,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,205.90 : 492,308.85 = 210,010.70 : x
  2. Step 2: Convert to fraction form
    328,205.90/492,308.85 = 210,010.70/x
  3. Step 3: Cross multiply
    328,205.90x = 492,308.85 × 210,010.70
  4. Step 4: Simplify right side
    328,205.90x = 103,390,126,204.70
  5. Step 5: Solve for x
    x = 103,390,126,204.70/328,205.90
  6. Step 6: Final answer
    x = 315,016.05

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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.