Home / 356,730.30-492,282.23-195,586.74

Finding the Fourth Proportional to 356,730.30, 492,282.23 and 195,586.74

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Solution

The fourth proportional to 356,730.30, 492,282.23 and 195,586.74 is: 269,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,730.30 : 492,282.23 = 195,586.74 : x
  2. Step 2: Convert to fraction form
    356,730.30/492,282.23 = 195,586.74/x
  3. Step 3: Cross multiply
    356,730.30x = 492,282.23 × 195,586.74
  4. Step 4: Simplify right side
    356,730.30x = 96,283,875,547.70
  5. Step 5: Solve for x
    x = 96,283,875,547.70/356,730.30
  6. Step 6: Final answer
    x = 269,906.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.