Home / 360,740.36-497,822.28-199,602.20

Finding the Fourth Proportional to 360,740.36, 497,822.28 and 199,602.20

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Solution

The fourth proportional to 360,740.36, 497,822.28 and 199,602.20 is: 275,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,740.36 : 497,822.28 = 199,602.20 : x
  2. Step 2: Convert to fraction form
    360,740.36/497,822.28 = 199,602.20/x
  3. Step 3: Cross multiply
    360,740.36x = 497,822.28 × 199,602.20
  4. Step 4: Simplify right side
    360,740.36x = 99,366,422,297.02
  5. Step 5: Solve for x
    x = 99,366,422,297.02/360,740.36
  6. Step 6: Final answer
    x = 275,451.36

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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.