Home / 379,366.02-523,535.73-209,611.14

Finding the Fourth Proportional to 379,366.02, 523,535.73 and 209,611.14

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Solution

The fourth proportional to 379,366.02, 523,535.73 and 209,611.14 is: 289,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,366.02 : 523,535.73 = 209,611.14 : x
  2. Step 2: Convert to fraction form
    379,366.02/523,535.73 = 209,611.14/x
  3. Step 3: Cross multiply
    379,366.02x = 523,535.73 × 209,611.14
  4. Step 4: Simplify right side
    379,366.02x = 109,738,921,196.03
  5. Step 5: Solve for x
    x = 109,738,921,196.03/379,366.02
  6. Step 6: Final answer
    x = 289,269.24

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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.