Home / 369,101.02-509,359.29-199,335.16

Finding the Fourth Proportional to 369,101.02, 509,359.29 and 199,335.16

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Solution

The fourth proportional to 369,101.02, 509,359.29 and 199,335.16 is: 275,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,101.02 : 509,359.29 = 199,335.16 : x
  2. Step 2: Convert to fraction form
    369,101.02/509,359.29 = 199,335.16/x
  3. Step 3: Cross multiply
    369,101.02x = 509,359.29 × 199,335.16
  4. Step 4: Simplify right side
    369,101.02x = 101,533,215,569.64
  5. Step 5: Solve for x
    x = 101,533,215,569.64/369,101.02
  6. Step 6: Final answer
    x = 275,082.46

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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.