Home / 285,830.08-394,354.64-164,955.36

Finding the Fourth Proportional to 285,830.08, 394,354.64 and 164,955.36

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Solution

The fourth proportional to 285,830.08, 394,354.64 and 164,955.36 is: 227,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,830.08 : 394,354.64 = 164,955.36 : x
  2. Step 2: Convert to fraction form
    285,830.08/394,354.64 = 164,955.36/x
  3. Step 3: Cross multiply
    285,830.08x = 394,354.64 × 164,955.36
  4. Step 4: Simplify right side
    285,830.08x = 65,050,911,608.87
  5. Step 5: Solve for x
    x = 65,050,911,608.87/285,830.08
  6. Step 6: Final answer
    x = 227,585.95

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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.