Home / 557,521.32-836,282.16-136,797.18

Finding the Fourth Proportional to 557,521.32, 836,282.16 and 136,797.18

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Solution

The fourth proportional to 557,521.32, 836,282.16 and 136,797.18 is: 205,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,521.32 : 836,282.16 = 136,797.18 : x
  2. Step 2: Convert to fraction form
    557,521.32/836,282.16 = 136,797.18/x
  3. Step 3: Cross multiply
    557,521.32x = 836,282.16 × 136,797.18
  4. Step 4: Simplify right side
    557,521.32x = 114,401,041,172.31
  5. Step 5: Solve for x
    x = 114,401,041,172.31/557,521.32
  6. Step 6: Final answer
    x = 205,195.81

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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.