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Finding the Fourth Proportional to 374,533.83, 561,798.59 and 125,213.67

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Solution

The fourth proportional to 374,533.83, 561,798.59 and 125,213.67 is: 187,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,533.83 : 561,798.59 = 125,213.67 : x
  2. Step 2: Convert to fraction form
    374,533.83/561,798.59 = 125,213.67/x
  3. Step 3: Cross multiply
    374,533.83x = 561,798.59 × 125,213.67
  4. Step 4: Simplify right side
    374,533.83x = 70,344,862,628.66
  5. Step 5: Solve for x
    x = 70,344,862,628.66/374,533.83
  6. Step 6: Final answer
    x = 187,819.78

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1.5x scale

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.