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Finding the Fourth Proportional to 605,316.05, 907,971.64 and 184,590.71

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Solution

The fourth proportional to 605,316.05, 907,971.64 and 184,590.71 is: 276,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,316.05 : 907,971.64 = 184,590.71 : x
  2. Step 2: Convert to fraction form
    605,316.05/907,971.64 = 184,590.71/x
  3. Step 3: Cross multiply
    605,316.05x = 907,971.64 × 184,590.71
  4. Step 4: Simplify right side
    605,316.05x = 167,603,129,687.46
  5. Step 5: Solve for x
    x = 167,603,129,687.46/605,316.05
  6. Step 6: Final answer
    x = 276,885.32

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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.