Home / 371,028.60-556,542.90-346,145.40

Finding the Fourth Proportional to 371,028.60, 556,542.90 and 346,145.40

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Solution

The fourth proportional to 371,028.60, 556,542.90 and 346,145.40 is: 519,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,028.60 : 556,542.90 = 346,145.40 : x
  2. Step 2: Convert to fraction form
    371,028.60/556,542.90 = 346,145.40/x
  3. Step 3: Cross multiply
    371,028.60x = 556,542.90 × 346,145.40
  4. Step 4: Simplify right side
    371,028.60x = 192,644,764,737.66
  5. Step 5: Solve for x
    x = 192,644,764,737.66/371,028.60
  6. Step 6: Final answer
    x = 519,218.10

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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.