Home / 285,130.76-393,436.61-164,248.44

Finding the Fourth Proportional to 285,130.76, 393,436.61 and 164,248.44

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Solution

The fourth proportional to 285,130.76, 393,436.61 and 164,248.44 is: 226,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130.76 : 393,436.61 = 164,248.44 : x
  2. Step 2: Convert to fraction form
    285,130.76/393,436.61 = 164,248.44/x
  3. Step 3: Cross multiply
    285,130.76x = 393,436.61 × 164,248.44
  4. Step 4: Simplify right side
    285,130.76x = 64,621,349,431.39
  5. Step 5: Solve for x
    x = 64,621,349,431.39/285,130.76
  6. Step 6: Final answer
    x = 226,637.59

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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.