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Finding the Fourth Proportional to 354,137.07, 488,707.53 and 192,992.08

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Solution

The fourth proportional to 354,137.07, 488,707.53 and 192,992.08 is: 266,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,137.07 : 488,707.53 = 192,992.08 : x
  2. Step 2: Convert to fraction form
    354,137.07/488,707.53 = 192,992.08/x
  3. Step 3: Cross multiply
    354,137.07x = 488,707.53 × 192,992.08
  4. Step 4: Simplify right side
    354,137.07x = 94,316,681,504.59
  5. Step 5: Solve for x
    x = 94,316,681,504.59/354,137.07
  6. Step 6: Final answer
    x = 266,328.18

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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.