Home / 245,329.56-338,539.50-137,898.18

Finding the Fourth Proportional to 245,329.56, 338,539.50 and 137,898.18

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Solution

The fourth proportional to 245,329.56, 338,539.50 and 137,898.18 is: 190,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,329.56 : 338,539.50 = 137,898.18 : x
  2. Step 2: Convert to fraction form
    245,329.56/338,539.50 = 137,898.18/x
  3. Step 3: Cross multiply
    245,329.56x = 338,539.50 × 137,898.18
  4. Step 4: Simplify right side
    245,329.56x = 46,683,980,908.11
  5. Step 5: Solve for x
    x = 46,683,980,908.11/245,329.56
  6. Step 6: Final answer
    x = 190,290.89

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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.