Home / 307,749.96-424,765.80-180,466.56

Finding the Fourth Proportional to 307,749.96, 424,765.80 and 180,466.56

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Solution

The fourth proportional to 307,749.96, 424,765.80 and 180,466.56 is: 249,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,749.96 : 424,765.80 = 180,466.56 : x
  2. Step 2: Convert to fraction form
    307,749.96/424,765.80 = 180,466.56/x
  3. Step 3: Cross multiply
    307,749.96x = 424,765.80 × 180,466.56
  4. Step 4: Simplify right side
    307,749.96x = 76,656,022,731.65
  5. Step 5: Solve for x
    x = 76,656,022,731.65/307,749.96
  6. Step 6: Final answer
    x = 249,085.40

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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.