Home / 253,641.10-349,228.05-215,321.23

Finding the Fourth Proportional to 253,641.10, 349,228.05 and 215,321.23

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Solution

The fourth proportional to 253,641.10, 349,228.05 and 215,321.23 is: 296,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,641.10 : 349,228.05 = 215,321.23 : x
  2. Step 2: Convert to fraction form
    253,641.10/349,228.05 = 215,321.23/x
  3. Step 3: Cross multiply
    253,641.10x = 349,228.05 × 215,321.23
  4. Step 4: Simplify right side
    253,641.10x = 75,196,213,276.50
  5. Step 5: Solve for x
    x = 75,196,213,276.50/253,641.10
  6. Step 6: Final answer
    x = 296,466.99

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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.