Home / 476,133.60-657,032.22-261,287.43

Finding the Fourth Proportional to 476,133.60, 657,032.22 and 261,287.43

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Solution

The fourth proportional to 476,133.60, 657,032.22 and 261,287.43 is: 360,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,133.60 : 657,032.22 = 261,287.43 : x
  2. Step 2: Convert to fraction form
    476,133.60/657,032.22 = 261,287.43/x
  3. Step 3: Cross multiply
    476,133.60x = 657,032.22 × 261,287.43
  4. Step 4: Simplify right side
    476,133.60x = 171,674,260,191.00
  5. Step 5: Solve for x
    x = 171,674,260,191.00/476,133.60
  6. Step 6: Final answer
    x = 360,559.01

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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.