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Finding the Fourth Proportional to 346,473.49, 519,728.57 and 109,834.63

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Solution

The fourth proportional to 346,473.49, 519,728.57 and 109,834.63 is: 164,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,473.49 : 519,728.57 = 109,834.63 : x
  2. Step 2: Convert to fraction form
    346,473.49/519,728.57 = 109,834.63/x
  3. Step 3: Cross multiply
    346,473.49x = 519,728.57 × 109,834.63
  4. Step 4: Simplify right side
    346,473.49x = 57,084,195,186.38
  5. Step 5: Solve for x
    x = 57,084,195,186.38/346,473.49
  6. Step 6: Final answer
    x = 164,757.76

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1.5x scale

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.