Home / 209,341.05-288,884.47-118,705.29

Finding the Fourth Proportional to 209,341.05, 288,884.47 and 118,705.29

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Solution

The fourth proportional to 209,341.05, 288,884.47 and 118,705.29 is: 163,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,341.05 : 288,884.47 = 118,705.29 : x
  2. Step 2: Convert to fraction form
    209,341.05/288,884.47 = 118,705.29/x
  3. Step 3: Cross multiply
    209,341.05x = 288,884.47 × 118,705.29
  4. Step 4: Simplify right side
    209,341.05x = 34,292,114,787.85
  5. Step 5: Solve for x
    x = 34,292,114,787.85/209,341.05
  6. Step 6: Final answer
    x = 163,809.80

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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.