Home / 338,068.35-507,299.49-127,722.69

Finding the Fourth Proportional to 338,068.35, 507,299.49 and 127,722.69

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Solution

The fourth proportional to 338,068.35, 507,299.49 and 127,722.69 is: 191,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,068.35 : 507,299.49 = 127,722.69 : x
  2. Step 2: Convert to fraction form
    338,068.35/507,299.49 = 127,722.69/x
  3. Step 3: Cross multiply
    338,068.35x = 507,299.49 × 127,722.69
  4. Step 4: Simplify right side
    338,068.35x = 64,793,655,498.43
  5. Step 5: Solve for x
    x = 64,793,655,498.43/338,068.35
  6. Step 6: Final answer
    x = 191,658.45

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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.