Home / 251,792.20-377,688.30-242,115.40

Finding the Fourth Proportional to 251,792.20, 377,688.30 and 242,115.40

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Solution

The fourth proportional to 251,792.20, 377,688.30 and 242,115.40 is: 363,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,792.20 : 377,688.30 = 242,115.40 : x
  2. Step 2: Convert to fraction form
    251,792.20/377,688.30 = 242,115.40/x
  3. Step 3: Cross multiply
    251,792.20x = 377,688.30 × 242,115.40
  4. Step 4: Simplify right side
    251,792.20x = 91,444,153,829.82
  5. Step 5: Solve for x
    x = 91,444,153,829.82/251,792.20
  6. Step 6: Final answer
    x = 363,173.10

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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.