Home / 290,037.33-434,541.02-121,185.95

Finding the Fourth Proportional to 290,037.33, 434,541.02 and 121,185.95

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Solution

The fourth proportional to 290,037.33, 434,541.02 and 121,185.95 is: 181,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,037.33 : 434,541.02 = 121,185.95 : x
  2. Step 2: Convert to fraction form
    290,037.33/434,541.02 = 121,185.95/x
  3. Step 3: Cross multiply
    290,037.33x = 434,541.02 × 121,185.95
  4. Step 4: Simplify right side
    290,037.33x = 52,660,263,544.03
  5. Step 5: Solve for x
    x = 52,660,263,544.03/290,037.33
  6. Step 6: Final answer
    x = 181,563.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.