Home / 371,783.24-513,059.87-202,017.36

Finding the Fourth Proportional to 371,783.24, 513,059.87 and 202,017.36

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Solution

The fourth proportional to 371,783.24, 513,059.87 and 202,017.36 is: 278,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,783.24 : 513,059.87 = 202,017.36 : x
  2. Step 2: Convert to fraction form
    371,783.24/513,059.87 = 202,017.36/x
  3. Step 3: Cross multiply
    371,783.24x = 513,059.87 × 202,017.36
  4. Step 4: Simplify right side
    371,783.24x = 103,646,999,449.26
  5. Step 5: Solve for x
    x = 103,646,999,449.26/371,783.24
  6. Step 6: Final answer
    x = 278,783.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.