Home / 380,330.60-524,854.32-208,245.44

Finding the Fourth Proportional to 380,330.60, 524,854.32 and 208,245.44

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Solution

The fourth proportional to 380,330.60, 524,854.32 and 208,245.44 is: 287,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,330.60 : 524,854.32 = 208,245.44 : x
  2. Step 2: Convert to fraction form
    380,330.60/524,854.32 = 208,245.44/x
  3. Step 3: Cross multiply
    380,330.60x = 524,854.32 × 208,245.44
  4. Step 4: Simplify right side
    380,330.60x = 109,298,518,804.30
  5. Step 5: Solve for x
    x = 109,298,518,804.30/380,330.60
  6. Step 6: Final answer
    x = 287,377.66

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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.