Home / 307,417.03-424,234.60-171,451.15

Finding the Fourth Proportional to 307,417.03, 424,234.60 and 171,451.15

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Solution

The fourth proportional to 307,417.03, 424,234.60 and 171,451.15 is: 236,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,417.03 : 424,234.60 = 171,451.15 : x
  2. Step 2: Convert to fraction form
    307,417.03/424,234.60 = 171,451.15/x
  3. Step 3: Cross multiply
    307,417.03x = 424,234.60 × 171,451.15
  4. Step 4: Simplify right side
    307,417.03x = 72,735,510,039.79
  5. Step 5: Solve for x
    x = 72,735,510,039.79/307,417.03
  6. Step 6: Final answer
    x = 236,602.08

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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.