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Finding the Fourth Proportional to 637,209.86, 955,676.13 and 210,644.91

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Solution

The fourth proportional to 637,209.86, 955,676.13 and 210,644.91 is: 315,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,209.86 : 955,676.13 = 210,644.91 : x
  2. Step 2: Convert to fraction form
    637,209.86/955,676.13 = 210,644.91/x
  3. Step 3: Cross multiply
    637,209.86x = 955,676.13 × 210,644.91
  4. Step 4: Simplify right side
    637,209.86x = 201,308,312,393.00
  5. Step 5: Solve for x
    x = 201,308,312,393.00/637,209.86
  6. Step 6: Final answer
    x = 315,921.53

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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.