Home / 380,681.29-525,340.10-227,725.92

Finding the Fourth Proportional to 380,681.29, 525,340.10 and 227,725.92

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Solution

The fourth proportional to 380,681.29, 525,340.10 and 227,725.92 is: 314,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,681.29 : 525,340.10 = 227,725.92 : x
  2. Step 2: Convert to fraction form
    380,681.29/525,340.10 = 227,725.92/x
  3. Step 3: Cross multiply
    380,681.29x = 525,340.10 × 227,725.92
  4. Step 4: Simplify right side
    380,681.29x = 119,633,558,329.43
  5. Step 5: Solve for x
    x = 119,633,558,329.43/380,681.29
  6. Step 6: Final answer
    x = 314,261.73

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1.5x scale

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.