Home / 307,815.72-424,792.42-169,994.24

Finding the Fourth Proportional to 307,815.72, 424,792.42 and 169,994.24

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Solution

The fourth proportional to 307,815.72, 424,792.42 and 169,994.24 is: 234,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,815.72 : 424,792.42 = 169,994.24 : x
  2. Step 2: Convert to fraction form
    307,815.72/424,792.42 = 169,994.24/x
  3. Step 3: Cross multiply
    307,815.72x = 424,792.42 × 169,994.24
  4. Step 4: Simplify right side
    307,815.72x = 72,212,264,595.66
  5. Step 5: Solve for x
    x = 72,212,264,595.66/307,815.72
  6. Step 6: Final answer
    x = 234,595.77

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1.5x scale

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.