Home / 306,222.36-459,273.30-291,032.10

Finding the Fourth Proportional to 306,222.36, 459,273.30 and 291,032.10

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Solution

The fourth proportional to 306,222.36, 459,273.30 and 291,032.10 is: 436,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,222.36 : 459,273.30 = 291,032.10 : x
  2. Step 2: Convert to fraction form
    306,222.36/459,273.30 = 291,032.10/x
  3. Step 3: Cross multiply
    306,222.36x = 459,273.30 × 291,032.10
  4. Step 4: Simplify right side
    306,222.36x = 133,663,272,972.93
  5. Step 5: Solve for x
    x = 133,663,272,972.93/306,222.36
  6. Step 6: Final answer
    x = 436,490.90

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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.