Home / 357,425.22-492,830.10-266,623.55

Finding the Fourth Proportional to 357,425.22, 492,830.10 and 266,623.55

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Solution

The fourth proportional to 357,425.22, 492,830.10 and 266,623.55 is: 367,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,425.22 : 492,830.10 = 266,623.55 : x
  2. Step 2: Convert to fraction form
    357,425.22/492,830.10 = 266,623.55/x
  3. Step 3: Cross multiply
    357,425.22x = 492,830.10 × 266,623.55
  4. Step 4: Simplify right side
    357,425.22x = 131,400,110,808.86
  5. Step 5: Solve for x
    x = 131,400,110,808.86/357,425.22
  6. Step 6: Final answer
    x = 367,629.66

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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.