Home / 380,113.62-524,553.75-210,357.06

Finding the Fourth Proportional to 380,113.62, 524,553.75 and 210,357.06

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Solution

The fourth proportional to 380,113.62, 524,553.75 and 210,357.06 is: 290,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,113.62 : 524,553.75 = 210,357.06 : x
  2. Step 2: Convert to fraction form
    380,113.62/524,553.75 = 210,357.06/x
  3. Step 3: Cross multiply
    380,113.62x = 524,553.75 × 210,357.06
  4. Step 4: Simplify right side
    380,113.62x = 110,343,584,661.98
  5. Step 5: Solve for x
    x = 110,343,584,661.98/380,113.62
  6. Step 6: Final answer
    x = 290,291.06

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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.