Home / 356,924.32-492,554.18-220,931.16

Finding the Fourth Proportional to 356,924.32, 492,554.18 and 220,931.16

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Solution

The fourth proportional to 356,924.32, 492,554.18 and 220,931.16 is: 304,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,924.32 : 492,554.18 = 220,931.16 : x
  2. Step 2: Convert to fraction form
    356,924.32/492,554.18 = 220,931.16/x
  3. Step 3: Cross multiply
    356,924.32x = 492,554.18 × 220,931.16
  4. Step 4: Simplify right side
    356,924.32x = 108,820,566,350.25
  5. Step 5: Solve for x
    x = 108,820,566,350.25/356,924.32
  6. Step 6: Final answer
    x = 304,884.15

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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.