Home / 690,230.32-1,035,392.78-234,636.16

Finding the Fourth Proportional to 690,230.32, 1,035,392.78 and 234,636.16

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Solution

The fourth proportional to 690,230.32, 1,035,392.78 and 234,636.16 is: 351,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,230.32 : 1,035,392.78 = 234,636.16 : x
  2. Step 2: Convert to fraction form
    690,230.32/1,035,392.78 = 234,636.16/x
  3. Step 3: Cross multiply
    690,230.32x = 1,035,392.78 × 234,636.16
  4. Step 4: Simplify right side
    690,230.32x = 242,940,583,109.15
  5. Step 5: Solve for x
    x = 242,940,583,109.15/690,230.32
  6. Step 6: Final answer
    x = 351,970.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.