Home / 301,542.36-452,317.05-76,902.36

Finding the Fourth Proportional to 301,542.36, 452,317.05 and 76,902.36

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Solution

The fourth proportional to 301,542.36, 452,317.05 and 76,902.36 is: 115,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,542.36 : 452,317.05 = 76,902.36 : x
  2. Step 2: Convert to fraction form
    301,542.36/452,317.05 = 76,902.36/x
  3. Step 3: Cross multiply
    301,542.36x = 452,317.05 × 76,902.36
  4. Step 4: Simplify right side
    301,542.36x = 34,784,248,613.24
  5. Step 5: Solve for x
    x = 34,784,248,613.24/301,542.36
  6. Step 6: Final answer
    x = 115,354.44

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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.