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Finding the Fourth Proportional to 499,710.52, 689,611.56 and 273,356

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Solution

The fourth proportional to 499,710.52, 689,611.56 and 273,356 is: 377,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,710.52 : 689,611.56 = 273,356 : x
  2. Step 2: Convert to fraction form
    499,710.52/689,611.56 = 273,356/x
  3. Step 3: Cross multiply
    499,710.52x = 689,611.56 × 273,356
  4. Step 4: Simplify right side
    499,710.52x = 188,509,457,595.36
  5. Step 5: Solve for x
    x = 188,509,457,595.36/499,710.52
  6. Step 6: Final answer
    x = 377,237.32

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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.