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Finding the Fourth Proportional to 376,703.30, 565,051.47 and 151,904.54

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Solution

The fourth proportional to 376,703.30, 565,051.47 and 151,904.54 is: 227,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,703.30 : 565,051.47 = 151,904.54 : x
  2. Step 2: Convert to fraction form
    376,703.30/565,051.47 = 151,904.54/x
  3. Step 3: Cross multiply
    376,703.30x = 565,051.47 × 151,904.54
  4. Step 4: Simplify right side
    376,703.30x = 85,833,880,801.42
  5. Step 5: Solve for x
    x = 85,833,880,801.42/376,703.30
  6. Step 6: Final answer
    x = 227,855.40

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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.