Home / 380,869.24-525,616.14-211,103.50

Finding the Fourth Proportional to 380,869.24, 525,616.14 and 211,103.50

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Solution

The fourth proportional to 380,869.24, 525,616.14 and 211,103.50 is: 291,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,869.24 : 525,616.14 = 211,103.50 : x
  2. Step 2: Convert to fraction form
    380,869.24/525,616.14 = 211,103.50/x
  3. Step 3: Cross multiply
    380,869.24x = 525,616.14 × 211,103.50
  4. Step 4: Simplify right side
    380,869.24x = 110,959,406,810.49
  5. Step 5: Solve for x
    x = 110,959,406,810.49/380,869.24
  6. Step 6: Final answer
    x = 291,332.02

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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.