Home / 643,094.20-964,349.70-243,602.20

Finding the Fourth Proportional to 643,094.20, 964,349.70 and 243,602.20

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Solution

The fourth proportional to 643,094.20, 964,349.70 and 243,602.20 is: 365,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,094.20 : 964,349.70 = 243,602.20 : x
  2. Step 2: Convert to fraction form
    643,094.20/964,349.70 = 243,602.20/x
  3. Step 3: Cross multiply
    643,094.20x = 964,349.70 × 243,602.20
  4. Step 4: Simplify right side
    643,094.20x = 234,917,708,489.34
  5. Step 5: Solve for x
    x = 234,917,708,489.34/643,094.20
  6. Step 6: Final answer
    x = 365,292.84

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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.