Home / 285,123.53-393,488.73-164,262.62

Finding the Fourth Proportional to 285,123.53, 393,488.73 and 164,262.62

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Solution

The fourth proportional to 285,123.53, 393,488.73 and 164,262.62 is: 226,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,123.53 : 393,488.73 = 164,262.62 : x
  2. Step 2: Convert to fraction form
    285,123.53/393,488.73 = 164,262.62/x
  3. Step 3: Cross multiply
    285,123.53x = 393,488.73 × 164,262.62
  4. Step 4: Simplify right side
    285,123.53x = 64,635,487,762.83
  5. Step 5: Solve for x
    x = 64,635,487,762.83/285,123.53
  6. Step 6: Final answer
    x = 226,692.93

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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.