Home / 353,973.02-488,477.13-192,830

Finding the Fourth Proportional to 353,973.02, 488,477.13 and 192,830

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Solution

The fourth proportional to 353,973.02, 488,477.13 and 192,830 is: 266,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,973.02 : 488,477.13 = 192,830 : x
  2. Step 2: Convert to fraction form
    353,973.02/488,477.13 = 192,830/x
  3. Step 3: Cross multiply
    353,973.02x = 488,477.13 × 192,830
  4. Step 4: Simplify right side
    353,973.02x = 94,193,044,977.90
  5. Step 5: Solve for x
    x = 94,193,044,977.90/353,973.02
  6. Step 6: Final answer
    x = 266,102.33

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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.