Home / 356,981.12-492,967.32-229,880.24

Finding the Fourth Proportional to 356,981.12, 492,967.32 and 229,880.24

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Solution

The fourth proportional to 356,981.12, 492,967.32 and 229,880.24 is: 317,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,981.12 : 492,967.32 = 229,880.24 : x
  2. Step 2: Convert to fraction form
    356,981.12/492,967.32 = 229,880.24/x
  3. Step 3: Cross multiply
    356,981.12x = 492,967.32 × 229,880.24
  4. Step 4: Simplify right side
    356,981.12x = 113,323,445,833.76
  5. Step 5: Solve for x
    x = 113,323,445,833.76/356,981.12
  6. Step 6: Final answer
    x = 317,449.41

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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.