Home / 371,975.76-513,332.28-202,210.56

Finding the Fourth Proportional to 371,975.76, 513,332.28 and 202,210.56

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Solution

The fourth proportional to 371,975.76, 513,332.28 and 202,210.56 is: 279,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,975.76 : 513,332.28 = 202,210.56 : x
  2. Step 2: Convert to fraction form
    371,975.76/513,332.28 = 202,210.56/x
  3. Step 3: Cross multiply
    371,975.76x = 513,332.28 × 202,210.56
  4. Step 4: Simplify right side
    371,975.76x = 103,801,207,804.88
  5. Step 5: Solve for x
    x = 103,801,207,804.88/371,975.76
  6. Step 6: Final answer
    x = 279,053.69

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1.5x scale

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.