Home / 356,582.40-492,019.20-229,228.80

Finding the Fourth Proportional to 356,582.40, 492,019.20 and 229,228.80

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Solution

The fourth proportional to 356,582.40, 492,019.20 and 229,228.80 is: 316,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,582.40 : 492,019.20 = 229,228.80 : x
  2. Step 2: Convert to fraction form
    356,582.40/492,019.20 = 229,228.80/x
  3. Step 3: Cross multiply
    356,582.40x = 492,019.20 × 229,228.80
  4. Step 4: Simplify right side
    356,582.40x = 112,784,970,792.96
  5. Step 5: Solve for x
    x = 112,784,970,792.96/356,582.40
  6. Step 6: Final answer
    x = 316,294.27

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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.