Home / 260,812.32-359,915.04-153,358.80

Finding the Fourth Proportional to 260,812.32, 359,915.04 and 153,358.80

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Solution

The fourth proportional to 260,812.32, 359,915.04 and 153,358.80 is: 211,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,812.32 : 359,915.04 = 153,358.80 : x
  2. Step 2: Convert to fraction form
    260,812.32/359,915.04 = 153,358.80/x
  3. Step 3: Cross multiply
    260,812.32x = 359,915.04 × 153,358.80
  4. Step 4: Simplify right side
    260,812.32x = 55,196,138,636.35
  5. Step 5: Solve for x
    x = 55,196,138,636.35/260,812.32
  6. Step 6: Final answer
    x = 211,631.64

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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.