Home / 328,991.04-493,636.80-179,006.40

Finding the Fourth Proportional to 328,991.04, 493,636.80 and 179,006.40

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Solution

The fourth proportional to 328,991.04, 493,636.80 and 179,006.40 is: 268,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,991.04 : 493,636.80 = 179,006.40 : x
  2. Step 2: Convert to fraction form
    328,991.04/493,636.80 = 179,006.40/x
  3. Step 3: Cross multiply
    328,991.04x = 493,636.80 × 179,006.40
  4. Step 4: Simplify right side
    328,991.04x = 88,364,146,475.52
  5. Step 5: Solve for x
    x = 88,364,146,475.52/328,991.04
  6. Step 6: Final answer
    x = 268,591.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.