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Finding the Fourth Proportional to 436,138.83, 601,783.34 and 254,815.70

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Solution

The fourth proportional to 436,138.83, 601,783.34 and 254,815.70 is: 351,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,138.83 : 601,783.34 = 254,815.70 : x
  2. Step 2: Convert to fraction form
    436,138.83/601,783.34 = 254,815.70/x
  3. Step 3: Cross multiply
    436,138.83x = 601,783.34 × 254,815.70
  4. Step 4: Simplify right side
    436,138.83x = 153,343,838,747.44
  5. Step 5: Solve for x
    x = 153,343,838,747.44/436,138.83
  6. Step 6: Final answer
    x = 351,594.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.