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Finding the Fourth Proportional to 270,508.05, 373,220.51 and 155,783.66

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Solution

The fourth proportional to 270,508.05, 373,220.51 and 155,783.66 is: 214,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,508.05 : 373,220.51 = 155,783.66 : x
  2. Step 2: Convert to fraction form
    270,508.05/373,220.51 = 155,783.66/x
  3. Step 3: Cross multiply
    270,508.05x = 373,220.51 × 155,783.66
  4. Step 4: Simplify right side
    270,508.05x = 58,141,654,389.85
  5. Step 5: Solve for x
    x = 58,141,654,389.85/270,508.05
  6. Step 6: Final answer
    x = 214,935.02

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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.