Home / 346,048.20-519,218.10-188,389.80

Finding the Fourth Proportional to 346,048.20, 519,218.10 and 188,389.80

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Solution

The fourth proportional to 346,048.20, 519,218.10 and 188,389.80 is: 282,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,048.20 : 519,218.10 = 188,389.80 : x
  2. Step 2: Convert to fraction form
    346,048.20/519,218.10 = 188,389.80/x
  3. Step 3: Cross multiply
    346,048.20x = 519,218.10 × 188,389.80
  4. Step 4: Simplify right side
    346,048.20x = 97,815,394,015.38
  5. Step 5: Solve for x
    x = 97,815,394,015.38/346,048.20
  6. Step 6: Final answer
    x = 282,664.07

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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.