Home / 380,281.24-524,794.30-208,196.30

Finding the Fourth Proportional to 380,281.24, 524,794.30 and 208,196.30

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Solution

The fourth proportional to 380,281.24, 524,794.30 and 208,196.30 is: 287,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,281.24 : 524,794.30 = 208,196.30 : x
  2. Step 2: Convert to fraction form
    380,281.24/524,794.30 = 208,196.30/x
  3. Step 3: Cross multiply
    380,281.24x = 524,794.30 × 208,196.30
  4. Step 4: Simplify right side
    380,281.24x = 109,260,231,521.09
  5. Step 5: Solve for x
    x = 109,260,231,521.09/380,281.24
  6. Step 6: Final answer
    x = 287,314.28

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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.