Home / 446,681.32-670,147.05-180,628.67

Finding the Fourth Proportional to 446,681.32, 670,147.05 and 180,628.67

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Solution

The fourth proportional to 446,681.32, 670,147.05 and 180,628.67 is: 270,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,681.32 : 670,147.05 = 180,628.67 : x
  2. Step 2: Convert to fraction form
    446,681.32/670,147.05 = 180,628.67/x
  3. Step 3: Cross multiply
    446,681.32x = 670,147.05 × 180,628.67
  4. Step 4: Simplify right side
    446,681.32x = 121,047,772,359.97
  5. Step 5: Solve for x
    x = 121,047,772,359.97/446,681.32
  6. Step 6: Final answer
    x = 270,993.58

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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.