Home / 460,915.60-691,258.20-176,544.40

Finding the Fourth Proportional to 460,915.60, 691,258.20 and 176,544.40

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Solution

The fourth proportional to 460,915.60, 691,258.20 and 176,544.40 is: 264,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,915.60 : 691,258.20 = 176,544.40 : x
  2. Step 2: Convert to fraction form
    460,915.60/691,258.20 = 176,544.40/x
  3. Step 3: Cross multiply
    460,915.60x = 691,258.20 × 176,544.40
  4. Step 4: Simplify right side
    460,915.60x = 122,037,764,164.08
  5. Step 5: Solve for x
    x = 122,037,764,164.08/460,915.60
  6. Step 6: Final answer
    x = 264,772.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.