Home / 245,119.98-338,302.40-149,681.73

Finding the Fourth Proportional to 245,119.98, 338,302.40 and 149,681.73

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Solution

The fourth proportional to 245,119.98, 338,302.40 and 149,681.73 is: 206,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,119.98 : 338,302.40 = 149,681.73 : x
  2. Step 2: Convert to fraction form
    245,119.98/338,302.40 = 149,681.73/x
  3. Step 3: Cross multiply
    245,119.98x = 338,302.40 × 149,681.73
  4. Step 4: Simplify right side
    245,119.98x = 50,637,688,495.15
  5. Step 5: Solve for x
    x = 50,637,688,495.15/245,119.98
  6. Step 6: Final answer
    x = 206,583.28

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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.