Home / 446,368.23-668,949.69-209,180.79

Finding the Fourth Proportional to 446,368.23, 668,949.69 and 209,180.79

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Solution

The fourth proportional to 446,368.23, 668,949.69 and 209,180.79 is: 313,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,368.23 : 668,949.69 = 209,180.79 : x
  2. Step 2: Convert to fraction form
    446,368.23/668,949.69 = 209,180.79/x
  3. Step 3: Cross multiply
    446,368.23x = 668,949.69 × 209,180.79
  4. Step 4: Simplify right side
    446,368.23x = 139,931,424,624.46
  5. Step 5: Solve for x
    x = 139,931,424,624.46/446,368.23
  6. Step 6: Final answer
    x = 313,488.76

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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.