Home / 395,674.20-546,219.60-225,875.52

Finding the Fourth Proportional to 395,674.20, 546,219.60 and 225,875.52

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Solution

The fourth proportional to 395,674.20, 546,219.60 and 225,875.52 is: 311,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,674.20 : 546,219.60 = 225,875.52 : x
  2. Step 2: Convert to fraction form
    395,674.20/546,219.60 = 225,875.52/x
  3. Step 3: Cross multiply
    395,674.20x = 546,219.60 × 225,875.52
  4. Step 4: Simplify right side
    395,674.20x = 123,377,636,184.19
  5. Step 5: Solve for x
    x = 123,377,636,184.19/395,674.20
  6. Step 6: Final answer
    x = 311,816.23

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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.