Home / 338,519.16-507,788.69-148,881.15

Finding the Fourth Proportional to 338,519.16, 507,788.69 and 148,881.15

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Solution

The fourth proportional to 338,519.16, 507,788.69 and 148,881.15 is: 223,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,519.16 : 507,788.69 = 148,881.15 : x
  2. Step 2: Convert to fraction form
    338,519.16/507,788.69 = 148,881.15/x
  3. Step 3: Cross multiply
    338,519.16x = 507,788.69 × 148,881.15
  4. Step 4: Simplify right side
    338,519.16x = 75,600,163,379.79
  5. Step 5: Solve for x
    x = 75,600,163,379.79/338,519.16
  6. Step 6: Final answer
    x = 223,326.10

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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.