Home / 330,135.76-455,592.36-179,232.76

Finding the Fourth Proportional to 330,135.76, 455,592.36 and 179,232.76

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Solution

The fourth proportional to 330,135.76, 455,592.36 and 179,232.76 is: 247,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,135.76 : 455,592.36 = 179,232.76 : x
  2. Step 2: Convert to fraction form
    330,135.76/455,592.36 = 179,232.76/x
  3. Step 3: Cross multiply
    330,135.76x = 455,592.36 × 179,232.76
  4. Step 4: Simplify right side
    330,135.76x = 81,657,076,117.71
  5. Step 5: Solve for x
    x = 81,657,076,117.71/330,135.76
  6. Step 6: Final answer
    x = 247,343.93

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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.