Home / 426,836.16-589,018.08-235,845.60

Finding the Fourth Proportional to 426,836.16, 589,018.08 and 235,845.60

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Solution

The fourth proportional to 426,836.16, 589,018.08 and 235,845.60 is: 325,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,836.16 : 589,018.08 = 235,845.60 : x
  2. Step 2: Convert to fraction form
    426,836.16/589,018.08 = 235,845.60/x
  3. Step 3: Cross multiply
    426,836.16x = 589,018.08 × 235,845.60
  4. Step 4: Simplify right side
    426,836.16x = 138,917,322,488.45
  5. Step 5: Solve for x
    x = 138,917,322,488.45/426,836.16
  6. Step 6: Final answer
    x = 325,458.19

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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.