Home / 807,162.30-1,210,903.02-238,553.64

Finding the Fourth Proportional to 807,162.30, 1,210,903.02 and 238,553.64

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Solution

The fourth proportional to 807,162.30, 1,210,903.02 and 238,553.64 is: 357,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,162.30 : 1,210,903.02 = 238,553.64 : x
  2. Step 2: Convert to fraction form
    807,162.30/1,210,903.02 = 238,553.64/x
  3. Step 3: Cross multiply
    807,162.30x = 1,210,903.02 × 238,553.64
  4. Step 4: Simplify right side
    807,162.30x = 288,865,323,107.99
  5. Step 5: Solve for x
    x = 288,865,323,107.99/807,162.30
  6. Step 6: Final answer
    x = 357,877.62

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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.