Home / 346,072.40-518,859.30-212,676.92

Finding the Fourth Proportional to 346,072.40, 518,859.30 and 212,676.92

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Solution

The fourth proportional to 346,072.40, 518,859.30 and 212,676.92 is: 318,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,072.40 : 518,859.30 = 212,676.92 : x
  2. Step 2: Convert to fraction form
    346,072.40/518,859.30 = 212,676.92/x
  3. Step 3: Cross multiply
    346,072.40x = 518,859.30 × 212,676.92
  4. Step 4: Simplify right side
    346,072.40x = 110,349,397,837.36
  5. Step 5: Solve for x
    x = 110,349,397,837.36/346,072.40
  6. Step 6: Final answer
    x = 318,862.17

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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.