Home / 221,929.64-305,903.04-173,445.95

Finding the Fourth Proportional to 221,929.64, 305,903.04 and 173,445.95

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Solution

The fourth proportional to 221,929.64, 305,903.04 and 173,445.95 is: 239,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,929.64 : 305,903.04 = 173,445.95 : x
  2. Step 2: Convert to fraction form
    221,929.64/305,903.04 = 173,445.95/x
  3. Step 3: Cross multiply
    221,929.64x = 305,903.04 × 173,445.95
  4. Step 4: Simplify right side
    221,929.64x = 53,057,641,851.17
  5. Step 5: Solve for x
    x = 53,057,641,851.17/221,929.64
  6. Step 6: Final answer
    x = 239,074.16

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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.