Home / 843,147-1,264,627.35-212,061.06

Finding the Fourth Proportional to 843,147, 1,264,627.35 and 212,061.06

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Solution

The fourth proportional to 843,147, 1,264,627.35 and 212,061.06 is: 318,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,147 : 1,264,627.35 = 212,061.06 : x
  2. Step 2: Convert to fraction form
    843,147/1,264,627.35 = 212,061.06/x
  3. Step 3: Cross multiply
    843,147x = 1,264,627.35 × 212,061.06
  4. Step 4: Simplify right side
    843,147x = 268,178,216,345.99
  5. Step 5: Solve for x
    x = 268,178,216,345.99/843,147
  6. Step 6: Final answer
    x = 318,068.16

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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.