Home / 356,029.02-491,276.60-283,616.32

Finding the Fourth Proportional to 356,029.02, 491,276.60 and 283,616.32

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Solution

The fourth proportional to 356,029.02, 491,276.60 and 283,616.32 is: 391,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,029.02 : 491,276.60 = 283,616.32 : x
  2. Step 2: Convert to fraction form
    356,029.02/491,276.60 = 283,616.32/x
  3. Step 3: Cross multiply
    356,029.02x = 491,276.60 × 283,616.32
  4. Step 4: Simplify right side
    356,029.02x = 139,334,061,394.11
  5. Step 5: Solve for x
    x = 139,334,061,394.11/356,029.02
  6. Step 6: Final answer
    x = 391,355.91

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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.