Home / 288,566.40-432,849.60-164,150.40

Finding the Fourth Proportional to 288,566.40, 432,849.60 and 164,150.40

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Solution

The fourth proportional to 288,566.40, 432,849.60 and 164,150.40 is: 246,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,566.40 : 432,849.60 = 164,150.40 : x
  2. Step 2: Convert to fraction form
    288,566.40/432,849.60 = 164,150.40/x
  3. Step 3: Cross multiply
    288,566.40x = 432,849.60 × 164,150.40
  4. Step 4: Simplify right side
    288,566.40x = 71,052,434,979.84
  5. Step 5: Solve for x
    x = 71,052,434,979.84/288,566.40
  6. Step 6: Final answer
    x = 246,225.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.