Home / 374,939.86-517,417.05-205,174

Finding the Fourth Proportional to 374,939.86, 517,417.05 and 205,174

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Solution

The fourth proportional to 374,939.86, 517,417.05 and 205,174 is: 283,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,939.86 : 517,417.05 = 205,174 : x
  2. Step 2: Convert to fraction form
    374,939.86/517,417.05 = 205,174/x
  3. Step 3: Cross multiply
    374,939.86x = 517,417.05 × 205,174
  4. Step 4: Simplify right side
    374,939.86x = 106,160,525,816.70
  5. Step 5: Solve for x
    x = 106,160,525,816.70/374,939.86
  6. Step 6: Final answer
    x = 283,140.14

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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.