Home / 561,828.07-842,766.72-162,509.21

Finding the Fourth Proportional to 561,828.07, 842,766.72 and 162,509.21

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Solution

The fourth proportional to 561,828.07, 842,766.72 and 162,509.21 is: 243,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,828.07 : 842,766.72 = 162,509.21 : x
  2. Step 2: Convert to fraction form
    561,828.07/842,766.72 = 162,509.21/x
  3. Step 3: Cross multiply
    561,828.07x = 842,766.72 × 162,509.21
  4. Step 4: Simplify right side
    561,828.07x = 136,957,353,881.49
  5. Step 5: Solve for x
    x = 136,957,353,881.49/561,828.07
  6. Step 6: Final answer
    x = 243,770.93

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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.