Home / 371,019.17-556,550.82-143,316.51

Finding the Fourth Proportional to 371,019.17, 556,550.82 and 143,316.51

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Solution

The fourth proportional to 371,019.17, 556,550.82 and 143,316.51 is: 214,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,019.17 : 556,550.82 = 143,316.51 : x
  2. Step 2: Convert to fraction form
    371,019.17/556,550.82 = 143,316.51/x
  3. Step 3: Cross multiply
    371,019.17x = 556,550.82 × 143,316.51
  4. Step 4: Simplify right side
    371,019.17x = 79,762,921,160.04
  5. Step 5: Solve for x
    x = 79,762,921,160.04/371,019.17
  6. Step 6: Final answer
    x = 214,983.29

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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.