Home / 245,232.45-338,409.88-143,267.35

Finding the Fourth Proportional to 245,232.45, 338,409.88 and 143,267.35

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Solution

The fourth proportional to 245,232.45, 338,409.88 and 143,267.35 is: 197,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,232.45 : 338,409.88 = 143,267.35 : x
  2. Step 2: Convert to fraction form
    245,232.45/338,409.88 = 143,267.35/x
  3. Step 3: Cross multiply
    245,232.45x = 338,409.88 × 143,267.35
  4. Step 4: Simplify right side
    245,232.45x = 48,483,086,721.42
  5. Step 5: Solve for x
    x = 48,483,086,721.42/245,232.45
  6. Step 6: Final answer
    x = 197,702.57

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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.