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Finding the Fourth Proportional to 354,058.52, 488,594.59 and 192,914.89

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Solution

The fourth proportional to 354,058.52, 488,594.59 and 192,914.89 is: 266,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,058.52 : 488,594.59 = 192,914.89 : x
  2. Step 2: Convert to fraction form
    354,058.52/488,594.59 = 192,914.89/x
  3. Step 3: Cross multiply
    354,058.52x = 488,594.59 × 192,914.89
  4. Step 4: Simplify right side
    354,058.52x = 94,257,169,880.67
  5. Step 5: Solve for x
    x = 94,257,169,880.67/354,058.52
  6. Step 6: Final answer
    x = 266,219.19

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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.