Home / 346,220.80-518,942.40-146,507.20

Finding the Fourth Proportional to 346,220.80, 518,942.40 and 146,507.20

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Solution

The fourth proportional to 346,220.80, 518,942.40 and 146,507.20 is: 219,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,220.80 : 518,942.40 = 146,507.20 : x
  2. Step 2: Convert to fraction form
    346,220.80/518,942.40 = 146,507.20/x
  3. Step 3: Cross multiply
    346,220.80x = 518,942.40 × 146,507.20
  4. Step 4: Simplify right side
    346,220.80x = 76,028,797,985.28
  5. Step 5: Solve for x
    x = 76,028,797,985.28/346,220.80
  6. Step 6: Final answer
    x = 219,596.27

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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.