Home / 380,415.46-524,972.96-210,649.58

Finding the Fourth Proportional to 380,415.46, 524,972.96 and 210,649.58

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Solution

The fourth proportional to 380,415.46, 524,972.96 and 210,649.58 is: 290,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,415.46 : 524,972.96 = 210,649.58 : x
  2. Step 2: Convert to fraction form
    380,415.46/524,972.96 = 210,649.58/x
  3. Step 3: Cross multiply
    380,415.46x = 524,972.96 × 210,649.58
  4. Step 4: Simplify right side
    380,415.46x = 110,585,333,535.36
  5. Step 5: Solve for x
    x = 110,585,333,535.36/380,415.46
  6. Step 6: Final answer
    x = 290,696.21

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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.