Home / 380,366.28-524,911.92-208,281.50

Finding the Fourth Proportional to 380,366.28, 524,911.92 and 208,281.50

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Solution

The fourth proportional to 380,366.28, 524,911.92 and 208,281.50 is: 287,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,366.28 : 524,911.92 = 208,281.50 : x
  2. Step 2: Convert to fraction form
    380,366.28/524,911.92 = 208,281.50/x
  3. Step 3: Cross multiply
    380,366.28x = 524,911.92 × 208,281.50
  4. Step 4: Simplify right side
    380,366.28x = 109,329,442,690.39
  5. Step 5: Solve for x
    x = 109,329,442,690.39/380,366.28
  6. Step 6: Final answer
    x = 287,432.01

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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.