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Finding the Fourth Proportional to 510,228.19, 764,674.30 and 210,359.71

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Solution

The fourth proportional to 510,228.19, 764,674.30 and 210,359.71 is: 315,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,228.19 : 764,674.30 = 210,359.71 : x
  2. Step 2: Convert to fraction form
    510,228.19/764,674.30 = 210,359.71/x
  3. Step 3: Cross multiply
    510,228.19x = 764,674.30 × 210,359.71
  4. Step 4: Simplify right side
    510,228.19x = 160,856,663,992.45
  5. Step 5: Solve for x
    x = 160,856,663,992.45/510,228.19
  6. Step 6: Final answer
    x = 315,264.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.