Home / 380,847.56-525,808.50-245,117.24

Finding the Fourth Proportional to 380,847.56, 525,808.50 and 245,117.24

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Solution

The fourth proportional to 380,847.56, 525,808.50 and 245,117.24 is: 338,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,847.56 : 525,808.50 = 245,117.24 : x
  2. Step 2: Convert to fraction form
    380,847.56/525,808.50 = 245,117.24/x
  3. Step 3: Cross multiply
    380,847.56x = 525,808.50 × 245,117.24
  4. Step 4: Simplify right side
    380,847.56x = 128,884,728,288.54
  5. Step 5: Solve for x
    x = 128,884,728,288.54/380,847.56
  6. Step 6: Final answer
    x = 338,415.53

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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.