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Finding the Fourth Proportional to 369,650.48, 554,786.76 and 346,322.48

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Solution

The fourth proportional to 369,650.48, 554,786.76 and 346,322.48 is: 519,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,650.48 : 554,786.76 = 346,322.48 : x
  2. Step 2: Convert to fraction form
    369,650.48/554,786.76 = 346,322.48/x
  3. Step 3: Cross multiply
    369,650.48x = 554,786.76 × 346,322.48
  4. Step 4: Simplify right side
    369,650.48x = 192,135,126,594.37
  5. Step 5: Solve for x
    x = 192,135,126,594.37/369,650.48
  6. Step 6: Final answer
    x = 519,775.13

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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.