Home / 285,417.40-393,875.04-164,558.02

Finding the Fourth Proportional to 285,417.40, 393,875.04 and 164,558.02

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Solution

The fourth proportional to 285,417.40, 393,875.04 and 164,558.02 is: 227,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,417.40 : 393,875.04 = 164,558.02 : x
  2. Step 2: Convert to fraction form
    285,417.40/393,875.04 = 164,558.02/x
  3. Step 3: Cross multiply
    285,417.40x = 393,875.04 × 164,558.02
  4. Step 4: Simplify right side
    285,417.40x = 64,815,296,709.82
  5. Step 5: Solve for x
    x = 64,815,296,709.82/285,417.40
  6. Step 6: Final answer
    x = 227,089.51

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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.