Home / 307,656.44-424,565.04-171,688.94

Finding the Fourth Proportional to 307,656.44, 424,565.04 and 171,688.94

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Solution

The fourth proportional to 307,656.44, 424,565.04 and 171,688.94 is: 236,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,656.44 : 424,565.04 = 171,688.94 : x
  2. Step 2: Convert to fraction form
    307,656.44/424,565.04 = 171,688.94/x
  3. Step 3: Cross multiply
    307,656.44x = 424,565.04 × 171,688.94
  4. Step 4: Simplify right side
    307,656.44x = 72,893,123,383.90
  5. Step 5: Solve for x
    x = 72,893,123,383.90/307,656.44
  6. Step 6: Final answer
    x = 236,930.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.