Home / 212,018.14-317,949.45-62,219.98

Finding the Fourth Proportional to 212,018.14, 317,949.45 and 62,219.98

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Solution

The fourth proportional to 212,018.14, 317,949.45 and 62,219.98 is: 93,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018.14 : 317,949.45 = 62,219.98 : x
  2. Step 2: Convert to fraction form
    212,018.14/317,949.45 = 62,219.98/x
  3. Step 3: Cross multiply
    212,018.14x = 317,949.45 × 62,219.98
  4. Step 4: Simplify right side
    212,018.14x = 19,782,808,420.01
  5. Step 5: Solve for x
    x = 19,782,808,420.01/212,018.14
  6. Step 6: Final answer
    x = 93,307.15

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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.