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Finding the Fourth Proportional to 365,495.12, 504,230.47 and 284,782.52

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Solution

The fourth proportional to 365,495.12, 504,230.47 and 284,782.52 is: 392,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,495.12 : 504,230.47 = 284,782.52 : x
  2. Step 2: Convert to fraction form
    365,495.12/504,230.47 = 284,782.52/x
  3. Step 3: Cross multiply
    365,495.12x = 504,230.47 × 284,782.52
  4. Step 4: Simplify right side
    365,495.12x = 143,596,023,195.43
  5. Step 5: Solve for x
    x = 143,596,023,195.43/365,495.12
  6. Step 6: Final answer
    x = 392,880.82

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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.