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Finding the Fourth Proportional to 372,956.40, 558,775.80 and 360,622.80

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Solution

The fourth proportional to 372,956.40, 558,775.80 and 360,622.80 is: 540,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,956.40 : 558,775.80 = 360,622.80 : x
  2. Step 2: Convert to fraction form
    372,956.40/558,775.80 = 360,622.80/x
  3. Step 3: Cross multiply
    372,956.40x = 558,775.80 × 360,622.80
  4. Step 4: Simplify right side
    372,956.40x = 201,507,293,568.24
  5. Step 5: Solve for x
    x = 201,507,293,568.24/372,956.40
  6. Step 6: Final answer
    x = 540,297.19

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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.