Home / 288,110.66-397,615.23-160,805.39

Finding the Fourth Proportional to 288,110.66, 397,615.23 and 160,805.39

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Solution

The fourth proportional to 288,110.66, 397,615.23 and 160,805.39 is: 221,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,110.66 : 397,615.23 = 160,805.39 : x
  2. Step 2: Convert to fraction form
    288,110.66/397,615.23 = 160,805.39/x
  3. Step 3: Cross multiply
    288,110.66x = 397,615.23 × 160,805.39
  4. Step 4: Simplify right side
    288,110.66x = 63,938,670,142.01
  5. Step 5: Solve for x
    x = 63,938,670,142.01/288,110.66
  6. Step 6: Final answer
    x = 221,924.00

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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.