Home / 369,055.35-509,297.91-207,912.33

Finding the Fourth Proportional to 369,055.35, 509,297.91 and 207,912.33

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Solution

The fourth proportional to 369,055.35, 509,297.91 and 207,912.33 is: 286,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,055.35 : 509,297.91 = 207,912.33 : x
  2. Step 2: Convert to fraction form
    369,055.35/509,297.91 = 207,912.33/x
  3. Step 3: Cross multiply
    369,055.35x = 509,297.91 × 207,912.33
  4. Step 4: Simplify right side
    369,055.35x = 105,889,315,132.23
  5. Step 5: Solve for x
    x = 105,889,315,132.23/369,055.35
  6. Step 6: Final answer
    x = 286,919.88

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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.