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Finding the Fourth Proportional to 578,497, 867,760.86 and 184,513

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Solution

The fourth proportional to 578,497, 867,760.86 and 184,513 is: 276,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,497 : 867,760.86 = 184,513 : x
  2. Step 2: Convert to fraction form
    578,497/867,760.86 = 184,513/x
  3. Step 3: Cross multiply
    578,497x = 867,760.86 × 184,513
  4. Step 4: Simplify right side
    578,497x = 160,113,159,561.18
  5. Step 5: Solve for x
    x = 160,113,159,561.18/578,497
  6. Step 6: Final answer
    x = 276,774.40

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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.