Home / 446,220.90-668,347.20-268,417.80

Finding the Fourth Proportional to 446,220.90, 668,347.20 and 268,417.80

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Solution

The fourth proportional to 446,220.90, 668,347.20 and 268,417.80 is: 402,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,220.90 : 668,347.20 = 268,417.80 : x
  2. Step 2: Convert to fraction form
    446,220.90/668,347.20 = 268,417.80/x
  3. Step 3: Cross multiply
    446,220.90x = 668,347.20 × 268,417.80
  4. Step 4: Simplify right side
    446,220.90x = 179,396,285,060.16
  5. Step 5: Solve for x
    x = 179,396,285,060.16/446,220.90
  6. Step 6: Final answer
    x = 402,034.70

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1.5x scale

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.