Home / 346,118.50-519,233.91-135,642.34

Finding the Fourth Proportional to 346,118.50, 519,233.91 and 135,642.34

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Solution

The fourth proportional to 346,118.50, 519,233.91 and 135,642.34 is: 203,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,118.50 : 519,233.91 = 135,642.34 : x
  2. Step 2: Convert to fraction form
    346,118.50/519,233.91 = 135,642.34/x
  3. Step 3: Cross multiply
    346,118.50x = 519,233.91 × 135,642.34
  4. Step 4: Simplify right side
    346,118.50x = 70,430,102,559.75
  5. Step 5: Solve for x
    x = 70,430,102,559.75/346,118.50
  6. Step 6: Final answer
    x = 203,485.52

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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.