Home / 380,086.02-524,726.91-259,407.36

Finding the Fourth Proportional to 380,086.02, 524,726.91 and 259,407.36

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Solution

The fourth proportional to 380,086.02, 524,726.91 and 259,407.36 is: 358,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,086.02 : 524,726.91 = 259,407.36 : x
  2. Step 2: Convert to fraction form
    380,086.02/524,726.91 = 259,407.36/x
  3. Step 3: Cross multiply
    380,086.02x = 524,726.91 × 259,407.36
  4. Step 4: Simplify right side
    380,086.02x = 136,118,022,444.06
  5. Step 5: Solve for x
    x = 136,118,022,444.06/380,086.02
  6. Step 6: Final answer
    x = 358,124.25

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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.