Home / 380,974.32-525,506.40-245,184.84

Finding the Fourth Proportional to 380,974.32, 525,506.40 and 245,184.84

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Solution

The fourth proportional to 380,974.32, 525,506.40 and 245,184.84 is: 338,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,974.32 : 525,506.40 = 245,184.84 : x
  2. Step 2: Convert to fraction form
    380,974.32/525,506.40 = 245,184.84/x
  3. Step 3: Cross multiply
    380,974.32x = 525,506.40 × 245,184.84
  4. Step 4: Simplify right side
    380,974.32x = 128,846,202,602.98
  5. Step 5: Solve for x
    x = 128,846,202,602.98/380,974.32
  6. Step 6: Final answer
    x = 338,201.80

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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.