Home / 272,435.04-408,648.45-122,569.50

Finding the Fourth Proportional to 272,435.04, 408,648.45 and 122,569.50

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Solution

The fourth proportional to 272,435.04, 408,648.45 and 122,569.50 is: 183,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,435.04 : 408,648.45 = 122,569.50 : x
  2. Step 2: Convert to fraction form
    272,435.04/408,648.45 = 122,569.50/x
  3. Step 3: Cross multiply
    272,435.04x = 408,648.45 × 122,569.50
  4. Step 4: Simplify right side
    272,435.04x = 50,087,836,192.28
  5. Step 5: Solve for x
    x = 50,087,836,192.28/272,435.04
  6. Step 6: Final answer
    x = 183,852.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.