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Finding the Fourth Proportional to 376,953.84, 520,271.96 and 223,962.59

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Solution

The fourth proportional to 376,953.84, 520,271.96 and 223,962.59 is: 309,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,953.84 : 520,271.96 = 223,962.59 : x
  2. Step 2: Convert to fraction form
    376,953.84/520,271.96 = 223,962.59/x
  3. Step 3: Cross multiply
    376,953.84x = 520,271.96 × 223,962.59
  4. Step 4: Simplify right side
    376,953.84x = 116,521,455,665.98
  5. Step 5: Solve for x
    x = 116,521,455,665.98/376,953.84
  6. Step 6: Final answer
    x = 309,113.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.