Home / 212,328.36-317,508.18-164,400.18

Finding the Fourth Proportional to 212,328.36, 317,508.18 and 164,400.18

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Solution

The fourth proportional to 212,328.36, 317,508.18 and 164,400.18 is: 245,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,328.36 : 317,508.18 = 164,400.18 : x
  2. Step 2: Convert to fraction form
    212,328.36/317,508.18 = 164,400.18/x
  3. Step 3: Cross multiply
    212,328.36x = 317,508.18 × 164,400.18
  4. Step 4: Simplify right side
    212,328.36x = 52,198,401,943.47
  5. Step 5: Solve for x
    x = 52,198,401,943.47/212,328.36
  6. Step 6: Final answer
    x = 245,838.11

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1.5x scale

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.