Home / 307,509.06-424,352.88-180,269.40

Finding the Fourth Proportional to 307,509.06, 424,352.88 and 180,269.40

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Solution

The fourth proportional to 307,509.06, 424,352.88 and 180,269.40 is: 248,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,509.06 : 424,352.88 = 180,269.40 : x
  2. Step 2: Convert to fraction form
    307,509.06/424,352.88 = 180,269.40/x
  3. Step 3: Cross multiply
    307,509.06x = 424,352.88 × 180,269.40
  4. Step 4: Simplify right side
    307,509.06x = 76,497,839,065.87
  5. Step 5: Solve for x
    x = 76,497,839,065.87/307,509.06
  6. Step 6: Final answer
    x = 248,766.13

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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.