Home / 628,066.79-942,078.24-178,790.16

Finding the Fourth Proportional to 628,066.79, 942,078.24 and 178,790.16

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Solution

The fourth proportional to 628,066.79, 942,078.24 and 178,790.16 is: 268,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,066.79 : 942,078.24 = 178,790.16 : x
  2. Step 2: Convert to fraction form
    628,066.79/942,078.24 = 178,790.16/x
  3. Step 3: Cross multiply
    628,066.79x = 942,078.24 × 178,790.16
  4. Step 4: Simplify right side
    628,066.79x = 168,434,319,262.12
  5. Step 5: Solve for x
    x = 168,434,319,262.12/628,066.79
  6. Step 6: Final answer
    x = 268,179.00

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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.