Home / 288,055.17-397,513.99-158,993.62

Finding the Fourth Proportional to 288,055.17, 397,513.99 and 158,993.62

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Solution

The fourth proportional to 288,055.17, 397,513.99 and 158,993.62 is: 219,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,055.17 : 397,513.99 = 158,993.62 : x
  2. Step 2: Convert to fraction form
    288,055.17/397,513.99 = 158,993.62/x
  3. Step 3: Cross multiply
    288,055.17x = 397,513.99 × 158,993.62
  4. Step 4: Simplify right side
    288,055.17x = 63,202,188,270.74
  5. Step 5: Solve for x
    x = 63,202,188,270.74/288,055.17
  6. Step 6: Final answer
    x = 219,410.01

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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.