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Finding the Fourth Proportional to 257,244.76, 354,802.60 and 225,358.32

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Solution

The fourth proportional to 257,244.76, 354,802.60 and 225,358.32 is: 310,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,244.76 : 354,802.60 = 225,358.32 : x
  2. Step 2: Convert to fraction form
    257,244.76/354,802.60 = 225,358.32/x
  3. Step 3: Cross multiply
    257,244.76x = 354,802.60 × 225,358.32
  4. Step 4: Simplify right side
    257,244.76x = 79,957,717,867.63
  5. Step 5: Solve for x
    x = 79,957,717,867.63/257,244.76
  6. Step 6: Final answer
    x = 310,823.50

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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.