Home / 307,507.06-424,350.12-180,267.40

Finding the Fourth Proportional to 307,507.06, 424,350.12 and 180,267.40

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Solution

The fourth proportional to 307,507.06, 424,350.12 and 180,267.40 is: 248,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,507.06 : 424,350.12 = 180,267.40 : x
  2. Step 2: Convert to fraction form
    307,507.06/424,350.12 = 180,267.40/x
  3. Step 3: Cross multiply
    307,507.06x = 424,350.12 × 180,267.40
  4. Step 4: Simplify right side
    307,507.06x = 76,496,492,822.09
  5. Step 5: Solve for x
    x = 76,496,492,822.09/307,507.06
  6. Step 6: Final answer
    x = 248,763.37

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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.