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Finding the Fourth Proportional to 199,383.60, 299,075.40 and 187,573.80

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Solution

The fourth proportional to 199,383.60, 299,075.40 and 187,573.80 is: 281,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383.60 : 299,075.40 = 187,573.80 : x
  2. Step 2: Convert to fraction form
    199,383.60/299,075.40 = 187,573.80/x
  3. Step 3: Cross multiply
    199,383.60x = 299,075.40 × 187,573.80
  4. Step 4: Simplify right side
    199,383.60x = 56,098,709,264.52
  5. Step 5: Solve for x
    x = 56,098,709,264.52/199,383.60
  6. Step 6: Final answer
    x = 281,360.70

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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.