Home / 260,065.26-358,885.35-145,346.04

Finding the Fourth Proportional to 260,065.26, 358,885.35 and 145,346.04

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Solution

The fourth proportional to 260,065.26, 358,885.35 and 145,346.04 is: 200,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,065.26 : 358,885.35 = 145,346.04 : x
  2. Step 2: Convert to fraction form
    260,065.26/358,885.35 = 145,346.04/x
  3. Step 3: Cross multiply
    260,065.26x = 358,885.35 × 145,346.04
  4. Step 4: Simplify right side
    260,065.26x = 52,162,564,436.51
  5. Step 5: Solve for x
    x = 52,162,564,436.51/260,065.26
  6. Step 6: Final answer
    x = 200,574.90

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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.