Home / 288,078.18-397,560.60-160,754.28

Finding the Fourth Proportional to 288,078.18, 397,560.60 and 160,754.28

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Solution

The fourth proportional to 288,078.18, 397,560.60 and 160,754.28 is: 221,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,078.18 : 397,560.60 = 160,754.28 : x
  2. Step 2: Convert to fraction form
    288,078.18/397,560.60 = 160,754.28/x
  3. Step 3: Cross multiply
    288,078.18x = 397,560.60 × 160,754.28
  4. Step 4: Simplify right side
    288,078.18x = 63,909,568,009.37
  5. Step 5: Solve for x
    x = 63,909,568,009.37/288,078.18
  6. Step 6: Final answer
    x = 221,848.00

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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.