Home / 209,247.48-288,737.78-118,584.02

Finding the Fourth Proportional to 209,247.48, 288,737.78 and 118,584.02

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Solution

The fourth proportional to 209,247.48, 288,737.78 and 118,584.02 is: 163,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,247.48 : 288,737.78 = 118,584.02 : x
  2. Step 2: Convert to fraction form
    209,247.48/288,737.78 = 118,584.02/x
  3. Step 3: Cross multiply
    209,247.48x = 288,737.78 × 118,584.02
  4. Step 4: Simplify right side
    209,247.48x = 34,239,686,678.28
  5. Step 5: Solve for x
    x = 34,239,686,678.28/209,247.48
  6. Step 6: Final answer
    x = 163,632.49

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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.