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Finding the Fourth Proportional to 346,522.93, 519,480.70 and 166,518.70

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Solution

The fourth proportional to 346,522.93, 519,480.70 and 166,518.70 is: 249,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,522.93 : 519,480.70 = 166,518.70 : x
  2. Step 2: Convert to fraction form
    346,522.93/519,480.70 = 166,518.70/x
  3. Step 3: Cross multiply
    346,522.93x = 519,480.70 × 166,518.70
  4. Step 4: Simplify right side
    346,522.93x = 86,503,250,839.09
  5. Step 5: Solve for x
    x = 86,503,250,839.09/346,522.93
  6. Step 6: Final answer
    x = 249,632.11

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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.