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Finding the Fourth Proportional to 365,070.74, 503,470.32 and 304,019.09

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Solution

The fourth proportional to 365,070.74, 503,470.32 and 304,019.09 is: 419,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,070.74 : 503,470.32 = 304,019.09 : x
  2. Step 2: Convert to fraction form
    365,070.74/503,470.32 = 304,019.09/x
  3. Step 3: Cross multiply
    365,070.74x = 503,470.32 × 304,019.09
  4. Step 4: Simplify right side
    365,070.74x = 153,064,586,011.06
  5. Step 5: Solve for x
    x = 153,064,586,011.06/365,070.74
  6. Step 6: Final answer
    x = 419,273.78

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1.5x scale

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.