Home / 346,005.60-518,759.31-212,610.25

Finding the Fourth Proportional to 346,005.60, 518,759.31 and 212,610.25

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Solution

The fourth proportional to 346,005.60, 518,759.31 and 212,610.25 is: 318,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,005.60 : 518,759.31 = 212,610.25 : x
  2. Step 2: Convert to fraction form
    346,005.60/518,759.31 = 212,610.25/x
  3. Step 3: Cross multiply
    346,005.60x = 518,759.31 × 212,610.25
  4. Step 4: Simplify right side
    346,005.60x = 110,293,543,995.13
  5. Step 5: Solve for x
    x = 110,293,543,995.13/346,005.60
  6. Step 6: Final answer
    x = 318,762.31

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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.