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Finding the Fourth Proportional to 642,295.20, 963,151.20 and 242,803.20

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Solution

The fourth proportional to 642,295.20, 963,151.20 and 242,803.20 is: 364,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,295.20 : 963,151.20 = 242,803.20 : x
  2. Step 2: Convert to fraction form
    642,295.20/963,151.20 = 242,803.20/x
  3. Step 3: Cross multiply
    642,295.20x = 963,151.20 × 242,803.20
  4. Step 4: Simplify right side
    642,295.20x = 233,856,193,443.84
  5. Step 5: Solve for x
    x = 233,856,193,443.84/642,295.20
  6. Step 6: Final answer
    x = 364,094.57

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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.