Home / 634,147.40-950,625.48-213,128.84

Finding the Fourth Proportional to 634,147.40, 950,625.48 and 213,128.84

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Solution

The fourth proportional to 634,147.40, 950,625.48 and 213,128.84 is: 319,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,147.40 : 950,625.48 = 213,128.84 : x
  2. Step 2: Convert to fraction form
    634,147.40/950,625.48 = 213,128.84/x
  3. Step 3: Cross multiply
    634,147.40x = 950,625.48 × 213,128.84
  4. Step 4: Simplify right side
    634,147.40x = 202,605,705,826.84
  5. Step 5: Solve for x
    x = 202,605,705,826.84/634,147.40
  6. Step 6: Final answer
    x = 319,493.08

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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.