Home / 209,004.73-288,429.84-118,358.24

Finding the Fourth Proportional to 209,004.73, 288,429.84 and 118,358.24

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Solution

The fourth proportional to 209,004.73, 288,429.84 and 118,358.24 is: 163,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,004.73 : 288,429.84 = 118,358.24 : x
  2. Step 2: Convert to fraction form
    209,004.73/288,429.84 = 118,358.24/x
  3. Step 3: Cross multiply
    209,004.73x = 288,429.84 × 118,358.24
  4. Step 4: Simplify right side
    209,004.73x = 34,138,046,783.73
  5. Step 5: Solve for x
    x = 34,138,046,783.73/209,004.73
  6. Step 6: Final answer
    x = 163,336.24

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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.