Home / 380,310.04-524,807.88-208,195.02

Finding the Fourth Proportional to 380,310.04, 524,807.88 and 208,195.02

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Solution

The fourth proportional to 380,310.04, 524,807.88 and 208,195.02 is: 287,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,310.04 : 524,807.88 = 208,195.02 : x
  2. Step 2: Convert to fraction form
    380,310.04/524,807.88 = 208,195.02/x
  3. Step 3: Cross multiply
    380,310.04x = 524,807.88 × 208,195.02
  4. Step 4: Simplify right side
    380,310.04x = 109,262,389,431.15
  5. Step 5: Solve for x
    x = 109,262,389,431.15/380,310.04
  6. Step 6: Final answer
    x = 287,298.20

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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.