Home / 209,212.27-288,703.44-118,562.94

Finding the Fourth Proportional to 209,212.27, 288,703.44 and 118,562.94

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Solution

The fourth proportional to 209,212.27, 288,703.44 and 118,562.94 is: 163,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,212.27 : 288,703.44 = 118,562.94 : x
  2. Step 2: Convert to fraction form
    209,212.27/288,703.44 = 118,562.94/x
  3. Step 3: Cross multiply
    209,212.27x = 288,703.44 × 118,562.94
  4. Step 4: Simplify right side
    209,212.27x = 34,229,528,634.51
  5. Step 5: Solve for x
    x = 34,229,528,634.51/209,212.27
  6. Step 6: Final answer
    x = 163,611.48

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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.