Home / 346,318.63-477,999.27-203,124.80

Finding the Fourth Proportional to 346,318.63, 477,999.27 and 203,124.80

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Solution

The fourth proportional to 346,318.63, 477,999.27 and 203,124.80 is: 280,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,318.63 : 477,999.27 = 203,124.80 : x
  2. Step 2: Convert to fraction form
    346,318.63/477,999.27 = 203,124.80/x
  3. Step 3: Cross multiply
    346,318.63x = 477,999.27 × 203,124.80
  4. Step 4: Simplify right side
    346,318.63x = 97,093,505,103.27
  5. Step 5: Solve for x
    x = 97,093,505,103.27/346,318.63
  6. Step 6: Final answer
    x = 280,358.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.