Home / 409,288.96-564,836.18-228,000.67

Finding the Fourth Proportional to 409,288.96, 564,836.18 and 228,000.67

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Solution

The fourth proportional to 409,288.96, 564,836.18 and 228,000.67 is: 314,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,288.96 : 564,836.18 = 228,000.67 : x
  2. Step 2: Convert to fraction form
    409,288.96/564,836.18 = 228,000.67/x
  3. Step 3: Cross multiply
    409,288.96x = 564,836.18 × 228,000.67
  4. Step 4: Simplify right side
    409,288.96x = 128,783,024,656.06
  5. Step 5: Solve for x
    x = 128,783,024,656.06/409,288.96
  6. Step 6: Final answer
    x = 314,650.62

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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.