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Finding the Fourth Proportional to 376,152.76, 519,090.75 and 215,011.27

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Solution

The fourth proportional to 376,152.76, 519,090.75 and 215,011.27 is: 296,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,152.76 : 519,090.75 = 215,011.27 : x
  2. Step 2: Convert to fraction form
    376,152.76/519,090.75 = 215,011.27/x
  3. Step 3: Cross multiply
    376,152.76x = 519,090.75 × 215,011.27
  4. Step 4: Simplify right side
    376,152.76x = 111,610,361,196.39
  5. Step 5: Solve for x
    x = 111,610,361,196.39/376,152.76
  6. Step 6: Final answer
    x = 296,715.52

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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.