Home / 346,328.20-519,638.10-188,669.80

Finding the Fourth Proportional to 346,328.20, 519,638.10 and 188,669.80

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Solution

The fourth proportional to 346,328.20, 519,638.10 and 188,669.80 is: 283,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,328.20 : 519,638.10 = 188,669.80 : x
  2. Step 2: Convert to fraction form
    346,328.20/519,638.10 = 188,669.80/x
  3. Step 3: Cross multiply
    346,328.20x = 519,638.10 × 188,669.80
  4. Step 4: Simplify right side
    346,328.20x = 98,040,016,399.38
  5. Step 5: Solve for x
    x = 98,040,016,399.38/346,328.20
  6. Step 6: Final answer
    x = 283,084.13

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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.