Home / 380,667.26-525,338.02-210,901.40

Finding the Fourth Proportional to 380,667.26, 525,338.02 and 210,901.40

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Solution

The fourth proportional to 380,667.26, 525,338.02 and 210,901.40 is: 291,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,667.26 : 525,338.02 = 210,901.40 : x
  2. Step 2: Convert to fraction form
    380,667.26/525,338.02 = 210,901.40/x
  3. Step 3: Cross multiply
    380,667.26x = 525,338.02 × 210,901.40
  4. Step 4: Simplify right side
    380,667.26x = 110,794,523,891.23
  5. Step 5: Solve for x
    x = 110,794,523,891.23/380,667.26
  6. Step 6: Final answer
    x = 291,053.46

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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.