Home / 409,270.42-564,718.23-227,977.84

Finding the Fourth Proportional to 409,270.42, 564,718.23 and 227,977.84

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Solution

The fourth proportional to 409,270.42, 564,718.23 and 227,977.84 is: 314,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,270.42 : 564,718.23 = 227,977.84 : x
  2. Step 2: Convert to fraction form
    409,270.42/564,718.23 = 227,977.84/x
  3. Step 3: Cross multiply
    409,270.42x = 564,718.23 × 227,977.84
  4. Step 4: Simplify right side
    409,270.42x = 128,743,242,284.02
  5. Step 5: Solve for x
    x = 128,743,242,284.02/409,270.42
  6. Step 6: Final answer
    x = 314,567.67

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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.