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Finding the Fourth Proportional to 290,603.70, 435,127.95 and 184,850.10

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Solution

The fourth proportional to 290,603.70, 435,127.95 and 184,850.10 is: 276,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,603.70 : 435,127.95 = 184,850.10 : x
  2. Step 2: Convert to fraction form
    290,603.70/435,127.95 = 184,850.10/x
  3. Step 3: Cross multiply
    290,603.70x = 435,127.95 × 184,850.10
  4. Step 4: Simplify right side
    290,603.70x = 80,433,445,070.30
  5. Step 5: Solve for x
    x = 80,433,445,070.30/290,603.70
  6. Step 6: Final answer
    x = 276,780.53

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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.