Home / 251,435.02-374,783.95-231,256.86

Finding the Fourth Proportional to 251,435.02, 374,783.95 and 231,256.86

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Solution

The fourth proportional to 251,435.02, 374,783.95 and 231,256.86 is: 344,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,435.02 : 374,783.95 = 231,256.86 : x
  2. Step 2: Convert to fraction form
    251,435.02/374,783.95 = 231,256.86/x
  3. Step 3: Cross multiply
    251,435.02x = 374,783.95 × 231,256.86
  4. Step 4: Simplify right side
    251,435.02x = 86,671,358,299.11
  5. Step 5: Solve for x
    x = 86,671,358,299.11/251,435.02
  6. Step 6: Final answer
    x = 344,706.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.