Home / 357,095.26-493,022.30-221,273.34

Finding the Fourth Proportional to 357,095.26, 493,022.30 and 221,273.34

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Solution

The fourth proportional to 357,095.26, 493,022.30 and 221,273.34 is: 305,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,095.26 : 493,022.30 = 221,273.34 : x
  2. Step 2: Convert to fraction form
    357,095.26/493,022.30 = 221,273.34/x
  3. Step 3: Cross multiply
    357,095.26x = 493,022.30 × 221,273.34
  4. Step 4: Simplify right side
    357,095.26x = 109,092,688,550.37
  5. Step 5: Solve for x
    x = 109,092,688,550.37/357,095.26
  6. Step 6: Final answer
    x = 305,500.25

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1.5x scale

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.