Home / 284,639.32-427,106.67-126,831.07

Finding the Fourth Proportional to 284,639.32, 427,106.67 and 126,831.07

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Solution

The fourth proportional to 284,639.32, 427,106.67 and 126,831.07 is: 190,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,639.32 : 427,106.67 = 126,831.07 : x
  2. Step 2: Convert to fraction form
    284,639.32/427,106.67 = 126,831.07/x
  3. Step 3: Cross multiply
    284,639.32x = 427,106.67 × 126,831.07
  4. Step 4: Simplify right side
    284,639.32x = 54,170,395,960.24
  5. Step 5: Solve for x
    x = 54,170,395,960.24/284,639.32
  6. Step 6: Final answer
    x = 190,312.41

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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.