Home / 259,653.80-358,321.35-144,931.45

Finding the Fourth Proportional to 259,653.80, 358,321.35 and 144,931.45

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Solution

The fourth proportional to 259,653.80, 358,321.35 and 144,931.45 is: 200,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,653.80 : 358,321.35 = 144,931.45 : x
  2. Step 2: Convert to fraction form
    259,653.80/358,321.35 = 144,931.45/x
  3. Step 3: Cross multiply
    259,653.80x = 358,321.35 × 144,931.45
  4. Step 4: Simplify right side
    259,653.80x = 51,932,032,821.46
  5. Step 5: Solve for x
    x = 51,932,032,821.46/259,653.80
  6. Step 6: Final answer
    x = 200,004.90

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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.