Home / 239,343.86-358,897.32-139,529.18

Finding the Fourth Proportional to 239,343.86, 358,897.32 and 139,529.18

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Solution

The fourth proportional to 239,343.86, 358,897.32 and 139,529.18 is: 209,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,343.86 : 358,897.32 = 139,529.18 : x
  2. Step 2: Convert to fraction form
    239,343.86/358,897.32 = 139,529.18/x
  3. Step 3: Cross multiply
    239,343.86x = 358,897.32 × 139,529.18
  4. Step 4: Simplify right side
    239,343.86x = 50,076,648,763.80
  5. Step 5: Solve for x
    x = 50,076,648,763.80/239,343.86
  6. Step 6: Final answer
    x = 209,224.71

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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.