Home / 315,028.64-434,822.40-179,142.24

Finding the Fourth Proportional to 315,028.64, 434,822.40 and 179,142.24

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Solution

The fourth proportional to 315,028.64, 434,822.40 and 179,142.24 is: 247,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,028.64 : 434,822.40 = 179,142.24 : x
  2. Step 2: Convert to fraction form
    315,028.64/434,822.40 = 179,142.24/x
  3. Step 3: Cross multiply
    315,028.64x = 434,822.40 × 179,142.24
  4. Step 4: Simplify right side
    315,028.64x = 77,895,058,738.18
  5. Step 5: Solve for x
    x = 77,895,058,738.18/315,028.64
  6. Step 6: Final answer
    x = 247,263.42

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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.