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Finding the Fourth Proportional to 604,830.43, 907,381.05 and 184,139.11

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Solution

The fourth proportional to 604,830.43, 907,381.05 and 184,139.11 is: 276,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,830.43 : 907,381.05 = 184,139.11 : x
  2. Step 2: Convert to fraction form
    604,830.43/907,381.05 = 184,139.11/x
  3. Step 3: Cross multiply
    604,830.43x = 907,381.05 × 184,139.11
  4. Step 4: Simplify right side
    604,830.43x = 167,084,338,977.87
  5. Step 5: Solve for x
    x = 167,084,338,977.87/604,830.43
  6. Step 6: Final answer
    x = 276,249.89

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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.