Home / 308,130.23-425,180.63-180,759.35

Finding the Fourth Proportional to 308,130.23, 425,180.63 and 180,759.35

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Solution

The fourth proportional to 308,130.23, 425,180.63 and 180,759.35 is: 249,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,130.23 : 425,180.63 = 180,759.35 : x
  2. Step 2: Convert to fraction form
    308,130.23/425,180.63 = 180,759.35/x
  3. Step 3: Cross multiply
    308,130.23x = 425,180.63 × 180,759.35
  4. Step 4: Simplify right side
    308,130.23x = 76,855,374,311.39
  5. Step 5: Solve for x
    x = 76,855,374,311.39/308,130.23
  6. Step 6: Final answer
    x = 249,424.97

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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.