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Finding the Fourth Proportional to 176,284.64, 263,836.56 and 144,693.60

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Solution

The fourth proportional to 176,284.64, 263,836.56 and 144,693.60 is: 216,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,284.64 : 263,836.56 = 144,693.60 : x
  2. Step 2: Convert to fraction form
    176,284.64/263,836.56 = 144,693.60/x
  3. Step 3: Cross multiply
    176,284.64x = 263,836.56 × 144,693.60
  4. Step 4: Simplify right side
    176,284.64x = 38,175,461,678.02
  5. Step 5: Solve for x
    x = 38,175,461,678.02/176,284.64
  6. Step 6: Final answer
    x = 216,555.80

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1.5x scale

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.