Home / 369,100.02-509,357.91-199,334.16

Finding the Fourth Proportional to 369,100.02, 509,357.91 and 199,334.16

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Solution

The fourth proportional to 369,100.02, 509,357.91 and 199,334.16 is: 275,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,100.02 : 509,357.91 = 199,334.16 : x
  2. Step 2: Convert to fraction form
    369,100.02/509,357.91 = 199,334.16/x
  3. Step 3: Cross multiply
    369,100.02x = 509,357.91 × 199,334.16
  4. Step 4: Simplify right side
    369,100.02x = 101,532,431,129.21
  5. Step 5: Solve for x
    x = 101,532,431,129.21/369,100.02
  6. Step 6: Final answer
    x = 275,081.08

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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.