Home / 380,298.06-524,806.16-208,213.83

Finding the Fourth Proportional to 380,298.06, 524,806.16 and 208,213.83

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Solution

The fourth proportional to 380,298.06, 524,806.16 and 208,213.83 is: 287,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,298.06 : 524,806.16 = 208,213.83 : x
  2. Step 2: Convert to fraction form
    380,298.06/524,806.16 = 208,213.83/x
  3. Step 3: Cross multiply
    380,298.06x = 524,806.16 × 208,213.83
  4. Step 4: Simplify right side
    380,298.06x = 109,271,899,540.12
  5. Step 5: Solve for x
    x = 109,271,899,540.12/380,298.06
  6. Step 6: Final answer
    x = 287,332.26

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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.