Home / 285,225.28-393,625.38-164,386.24

Finding the Fourth Proportional to 285,225.28, 393,625.38 and 164,386.24

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Solution

The fourth proportional to 285,225.28, 393,625.38 and 164,386.24 is: 226,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,225.28 : 393,625.38 = 164,386.24 : x
  2. Step 2: Convert to fraction form
    285,225.28/393,625.38 = 164,386.24/x
  3. Step 3: Cross multiply
    285,225.28x = 393,625.38 × 164,386.24
  4. Step 4: Simplify right side
    285,225.28x = 64,706,596,186.77
  5. Step 5: Solve for x
    x = 64,706,596,186.77/285,225.28
  6. Step 6: Final answer
    x = 226,861.36

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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.