Home / 371,109.07-556,829.68-213,337.52

Finding the Fourth Proportional to 371,109.07, 556,829.68 and 213,337.52

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Solution

The fourth proportional to 371,109.07, 556,829.68 and 213,337.52 is: 320,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,109.07 : 556,829.68 = 213,337.52 : x
  2. Step 2: Convert to fraction form
    371,109.07/556,829.68 = 213,337.52/x
  3. Step 3: Cross multiply
    371,109.07x = 556,829.68 × 213,337.52
  4. Step 4: Simplify right side
    371,109.07x = 118,792,662,993.59
  5. Step 5: Solve for x
    x = 118,792,662,993.59/371,109.07
  6. Step 6: Final answer
    x = 320,101.75

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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.