Home / 637,123.61-955,833.34-210,633.71

Finding the Fourth Proportional to 637,123.61, 955,833.34 and 210,633.71

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Solution

The fourth proportional to 637,123.61, 955,833.34 and 210,633.71 is: 315,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,123.61 : 955,833.34 = 210,633.71 : x
  2. Step 2: Convert to fraction form
    637,123.61/955,833.34 = 210,633.71/x
  3. Step 3: Cross multiply
    637,123.61x = 955,833.34 × 210,633.71
  4. Step 4: Simplify right side
    637,123.61x = 201,330,722,545.89
  5. Step 5: Solve for x
    x = 201,330,722,545.89/637,123.61
  6. Step 6: Final answer
    x = 315,999.47

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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.