Home / 328,983.60-493,669.80-240,013.20

Finding the Fourth Proportional to 328,983.60, 493,669.80 and 240,013.20

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Solution

The fourth proportional to 328,983.60, 493,669.80 and 240,013.20 is: 360,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,983.60 : 493,669.80 = 240,013.20 : x
  2. Step 2: Convert to fraction form
    328,983.60/493,669.80 = 240,013.20/x
  3. Step 3: Cross multiply
    328,983.60x = 493,669.80 × 240,013.20
  4. Step 4: Simplify right side
    328,983.60x = 118,487,268,441.36
  5. Step 5: Solve for x
    x = 118,487,268,441.36/328,983.60
  6. Step 6: Final answer
    x = 360,161.63

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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.