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Finding the Fourth Proportional to 342,875.79, 513,823.64 and 192,801.11

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Solution

The fourth proportional to 342,875.79, 513,823.64 and 192,801.11 is: 288,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,875.79 : 513,823.64 = 192,801.11 : x
  2. Step 2: Convert to fraction form
    342,875.79/513,823.64 = 192,801.11/x
  3. Step 3: Cross multiply
    342,875.79x = 513,823.64 × 192,801.11
  4. Step 4: Simplify right side
    342,875.79x = 99,065,764,603.12
  5. Step 5: Solve for x
    x = 99,065,764,603.12/342,875.79
  6. Step 6: Final answer
    x = 288,926.10

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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.