Home / 209,222.33-288,865.84-160,737.90

Finding the Fourth Proportional to 209,222.33, 288,865.84 and 160,737.90

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Solution

The fourth proportional to 209,222.33, 288,865.84 and 160,737.90 is: 221,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,222.33 : 288,865.84 = 160,737.90 : x
  2. Step 2: Convert to fraction form
    209,222.33/288,865.84 = 160,737.90/x
  3. Step 3: Cross multiply
    209,222.33x = 288,865.84 × 160,737.90
  4. Step 4: Simplify right side
    209,222.33x = 46,431,688,503.34
  5. Step 5: Solve for x
    x = 46,431,688,503.34/209,222.33
  6. Step 6: Final answer
    x = 221,925.11

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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.