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Finding the Fourth Proportional to 376,771.42, 562,718.36 and 341,161.58

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Solution

The fourth proportional to 376,771.42, 562,718.36 and 341,161.58 is: 509,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,771.42 : 562,718.36 = 341,161.58 : x
  2. Step 2: Convert to fraction form
    376,771.42/562,718.36 = 341,161.58/x
  3. Step 3: Cross multiply
    376,771.42x = 562,718.36 × 341,161.58
  4. Step 4: Simplify right side
    376,771.42x = 191,977,884,792.61
  5. Step 5: Solve for x
    x = 191,977,884,792.61/376,771.42
  6. Step 6: Final answer
    x = 509,534.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.