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Finding the Fourth Proportional to 529,549.79, 794,075.13 and 192,352.73

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Solution

The fourth proportional to 529,549.79, 794,075.13 and 192,352.73 is: 288,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,549.79 : 794,075.13 = 192,352.73 : x
  2. Step 2: Convert to fraction form
    529,549.79/794,075.13 = 192,352.73/x
  3. Step 3: Cross multiply
    529,549.79x = 794,075.13 × 192,352.73
  4. Step 4: Simplify right side
    529,549.79x = 152,742,515,110.23
  5. Step 5: Solve for x
    x = 152,742,515,110.23/529,549.79
  6. Step 6: Final answer
    x = 288,438.44

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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.