Home / 380,053.08-524,466.34-210,287.20

Finding the Fourth Proportional to 380,053.08, 524,466.34 and 210,287.20

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Solution

The fourth proportional to 380,053.08, 524,466.34 and 210,287.20 is: 290,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,053.08 : 524,466.34 = 210,287.20 : x
  2. Step 2: Convert to fraction form
    380,053.08/524,466.34 = 210,287.20/x
  3. Step 3: Cross multiply
    380,053.08x = 524,466.34 × 210,287.20
  4. Step 4: Simplify right side
    380,053.08x = 110,288,558,132.85
  5. Step 5: Solve for x
    x = 110,288,558,132.85/380,053.08
  6. Step 6: Final answer
    x = 290,192.51

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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.