Home / 212,463.21-318,746.31-62,700.20

Finding the Fourth Proportional to 212,463.21, 318,746.31 and 62,700.20

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Solution

The fourth proportional to 212,463.21, 318,746.31 and 62,700.20 is: 94,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,463.21 : 318,746.31 = 62,700.20 : x
  2. Step 2: Convert to fraction form
    212,463.21/318,746.31 = 62,700.20/x
  3. Step 3: Cross multiply
    212,463.21x = 318,746.31 × 62,700.20
  4. Step 4: Simplify right side
    212,463.21x = 19,985,455,792.53
  5. Step 5: Solve for x
    x = 19,985,455,792.53/212,463.21
  6. Step 6: Final answer
    x = 94,065.49

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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.