Home / 637,212.52-955,680.10-210,647.56

Finding the Fourth Proportional to 637,212.52, 955,680.10 and 210,647.56

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Solution

The fourth proportional to 637,212.52, 955,680.10 and 210,647.56 is: 315,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,212.52 : 955,680.10 = 210,647.56 : x
  2. Step 2: Convert to fraction form
    637,212.52/955,680.10 = 210,647.56/x
  3. Step 3: Cross multiply
    637,212.52x = 955,680.10 × 210,647.56
  4. Step 4: Simplify right side
    637,212.52x = 201,311,681,205.56
  5. Step 5: Solve for x
    x = 201,311,681,205.56/637,212.52
  6. Step 6: Final answer
    x = 315,925.50

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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.