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Finding the Fourth Proportional to 642,232.93, 963,484.67 and 242,864.86

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Solution

The fourth proportional to 642,232.93, 963,484.67 and 242,864.86 is: 364,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,232.93 : 963,484.67 = 242,864.86 : x
  2. Step 2: Convert to fraction form
    642,232.93/963,484.67 = 242,864.86/x
  3. Step 3: Cross multiply
    642,232.93x = 963,484.67 × 242,864.86
  4. Step 4: Simplify right side
    642,232.93x = 233,996,568,277.37
  5. Step 5: Solve for x
    x = 233,996,568,277.37/642,232.93
  6. Step 6: Final answer
    x = 364,348.44

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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.