Home / 446,123.20-669,703.20-268,830.40

Finding the Fourth Proportional to 446,123.20, 669,703.20 and 268,830.40

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Solution

The fourth proportional to 446,123.20, 669,703.20 and 268,830.40 is: 403,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,123.20 : 669,703.20 = 268,830.40 : x
  2. Step 2: Convert to fraction form
    446,123.20/669,703.20 = 268,830.40/x
  3. Step 3: Cross multiply
    446,123.20x = 669,703.20 × 268,830.40
  4. Step 4: Simplify right side
    446,123.20x = 180,036,579,137.28
  5. Step 5: Solve for x
    x = 180,036,579,137.28/446,123.20
  6. Step 6: Final answer
    x = 403,557.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.