Home / 557,135.20-835,605.60-201,966.40

Finding the Fourth Proportional to 557,135.20, 835,605.60 and 201,966.40

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Solution

The fourth proportional to 557,135.20, 835,605.60 and 201,966.40 is: 302,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,135.20 : 835,605.60 = 201,966.40 : x
  2. Step 2: Convert to fraction form
    557,135.20/835,605.60 = 201,966.40/x
  3. Step 3: Cross multiply
    557,135.20x = 835,605.60 × 201,966.40
  4. Step 4: Simplify right side
    557,135.20x = 168,764,254,851.84
  5. Step 5: Solve for x
    x = 168,764,254,851.84/557,135.20
  6. Step 6: Final answer
    x = 302,914.36

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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.