Home / 260,065.52-358,885.32-145,345.22

Finding the Fourth Proportional to 260,065.52, 358,885.32 and 145,345.22

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Solution

The fourth proportional to 260,065.52, 358,885.32 and 145,345.22 is: 200,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,065.52 : 358,885.32 = 145,345.22 : x
  2. Step 2: Convert to fraction form
    260,065.52/358,885.32 = 145,345.22/x
  3. Step 3: Cross multiply
    260,065.52x = 358,885.32 × 145,345.22
  4. Step 4: Simplify right side
    260,065.52x = 52,162,265,790.17
  5. Step 5: Solve for x
    x = 52,162,265,790.17/260,065.52
  6. Step 6: Final answer
    x = 200,573.55

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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.