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Finding the Fourth Proportional to 540,341.90, 810,512.74 and 203,458.04

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Solution

The fourth proportional to 540,341.90, 810,512.74 and 203,458.04 is: 305,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,341.90 : 810,512.74 = 203,458.04 : x
  2. Step 2: Convert to fraction form
    540,341.90/810,512.74 = 203,458.04/x
  3. Step 3: Cross multiply
    540,341.90x = 810,512.74 × 203,458.04
  4. Step 4: Simplify right side
    540,341.90x = 164,905,333,475.43
  5. Step 5: Solve for x
    x = 164,905,333,475.43/540,341.90
  6. Step 6: Final answer
    x = 305,187.02

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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.