Home / 352,656.10-486,814.40-238,089.93

Finding the Fourth Proportional to 352,656.10, 486,814.40 and 238,089.93

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Solution

The fourth proportional to 352,656.10, 486,814.40 and 238,089.93 is: 328,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,656.10 : 486,814.40 = 238,089.93 : x
  2. Step 2: Convert to fraction form
    352,656.10/486,814.40 = 238,089.93/x
  3. Step 3: Cross multiply
    352,656.10x = 486,814.40 × 238,089.93
  4. Step 4: Simplify right side
    352,656.10x = 115,905,606,418.99
  5. Step 5: Solve for x
    x = 115,905,606,418.99/352,656.10
  6. Step 6: Final answer
    x = 328,664.69

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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.