Home / 217,420.42-299,937.98-153,793.30

Finding the Fourth Proportional to 217,420.42, 299,937.98 and 153,793.30

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Solution

The fourth proportional to 217,420.42, 299,937.98 and 153,793.30 is: 212,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,420.42 : 299,937.98 = 153,793.30 : x
  2. Step 2: Convert to fraction form
    217,420.42/299,937.98 = 153,793.30/x
  3. Step 3: Cross multiply
    217,420.42x = 299,937.98 × 153,793.30
  4. Step 4: Simplify right side
    217,420.42x = 46,128,451,739.53
  5. Step 5: Solve for x
    x = 46,128,451,739.53/217,420.42
  6. Step 6: Final answer
    x = 212,162.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.