Home / 210,002.20-315,003.30-207,237.40

Finding the Fourth Proportional to 210,002.20, 315,003.30 and 207,237.40

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Solution

The fourth proportional to 210,002.20, 315,003.30 and 207,237.40 is: 310,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.20 : 315,003.30 = 207,237.40 : x
  2. Step 2: Convert to fraction form
    210,002.20/315,003.30 = 207,237.40/x
  3. Step 3: Cross multiply
    210,002.20x = 315,003.30 × 207,237.40
  4. Step 4: Simplify right side
    210,002.20x = 65,280,464,883.42
  5. Step 5: Solve for x
    x = 65,280,464,883.42/210,002.20
  6. Step 6: Final answer
    x = 310,856.10

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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.