Home / 380,375.22-524,926.05-208,300.50

Finding the Fourth Proportional to 380,375.22, 524,926.05 and 208,300.50

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Solution

The fourth proportional to 380,375.22, 524,926.05 and 208,300.50 is: 287,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,375.22 : 524,926.05 = 208,300.50 : x
  2. Step 2: Convert to fraction form
    380,375.22/524,926.05 = 208,300.50/x
  3. Step 3: Cross multiply
    380,375.22x = 524,926.05 × 208,300.50
  4. Step 4: Simplify right side
    380,375.22x = 109,342,358,678.03
  5. Step 5: Solve for x
    x = 109,342,358,678.03/380,375.22
  6. Step 6: Final answer
    x = 287,459.21

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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.