Home / 380,080.70-524,567.01-218,904.38

Finding the Fourth Proportional to 380,080.70, 524,567.01 and 218,904.38

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Solution

The fourth proportional to 380,080.70, 524,567.01 and 218,904.38 is: 302,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,080.70 : 524,567.01 = 218,904.38 : x
  2. Step 2: Convert to fraction form
    380,080.70/524,567.01 = 218,904.38/x
  3. Step 3: Cross multiply
    380,080.70x = 524,567.01 × 218,904.38
  4. Step 4: Simplify right side
    380,080.70x = 114,830,016,092.50
  5. Step 5: Solve for x
    x = 114,830,016,092.50/380,080.70
  6. Step 6: Final answer
    x = 302,120.09

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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.