Home / 207,320.60-310,592.10-193,323.80

Finding the Fourth Proportional to 207,320.60, 310,592.10 and 193,323.80

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Solution

The fourth proportional to 207,320.60, 310,592.10 and 193,323.80 is: 289,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,320.60 : 310,592.10 = 193,323.80 : x
  2. Step 2: Convert to fraction form
    207,320.60/310,592.10 = 193,323.80/x
  3. Step 3: Cross multiply
    207,320.60x = 310,592.10 × 193,323.80
  4. Step 4: Simplify right side
    207,320.60x = 60,044,845,021.98
  5. Step 5: Solve for x
    x = 60,044,845,021.98/207,320.60
  6. Step 6: Final answer
    x = 289,623.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.