Home / 371,984.23-513,323.95-202,218.35

Finding the Fourth Proportional to 371,984.23, 513,323.95 and 202,218.35

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Solution

The fourth proportional to 371,984.23, 513,323.95 and 202,218.35 is: 279,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,984.23 : 513,323.95 = 202,218.35 : x
  2. Step 2: Convert to fraction form
    371,984.23/513,323.95 = 202,218.35/x
  3. Step 3: Cross multiply
    371,984.23x = 513,323.95 × 202,218.35
  4. Step 4: Simplify right side
    371,984.23x = 103,803,521,173.39
  5. Step 5: Solve for x
    x = 103,803,521,173.39/371,984.23
  6. Step 6: Final answer
    x = 279,053.56

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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.