Home / 380,862.36-525,607.26-217,533.12

Finding the Fourth Proportional to 380,862.36, 525,607.26 and 217,533.12

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Solution

The fourth proportional to 380,862.36, 525,607.26 and 217,533.12 is: 300,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,862.36 : 525,607.26 = 217,533.12 : x
  2. Step 2: Convert to fraction form
    380,862.36/525,607.26 = 217,533.12/x
  3. Step 3: Cross multiply
    380,862.36x = 525,607.26 × 217,533.12
  4. Step 4: Simplify right side
    380,862.36x = 114,336,987,162.45
  5. Step 5: Solve for x
    x = 114,336,987,162.45/380,862.36
  6. Step 6: Final answer
    x = 300,205.53

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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.