Home / 374,828.78-562,242.74-122,108.88

Finding the Fourth Proportional to 374,828.78, 562,242.74 and 122,108.88

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Solution

The fourth proportional to 374,828.78, 562,242.74 and 122,108.88 is: 183,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,828.78 : 562,242.74 = 122,108.88 : x
  2. Step 2: Convert to fraction form
    374,828.78/562,242.74 = 122,108.88/x
  3. Step 3: Cross multiply
    374,828.78x = 562,242.74 × 122,108.88
  4. Step 4: Simplify right side
    374,828.78x = 68,654,830,658.99
  5. Step 5: Solve for x
    x = 68,654,830,658.99/374,828.78
  6. Step 6: Final answer
    x = 183,163.18

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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.