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Finding the Fourth Proportional to 302,673.74, 417,683.67 and 189,558.86

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Solution

The fourth proportional to 302,673.74, 417,683.67 and 189,558.86 is: 261,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,673.74 : 417,683.67 = 189,558.86 : x
  2. Step 2: Convert to fraction form
    302,673.74/417,683.67 = 189,558.86/x
  3. Step 3: Cross multiply
    302,673.74x = 417,683.67 × 189,558.86
  4. Step 4: Simplify right side
    302,673.74x = 79,175,640,325.82
  5. Step 5: Solve for x
    x = 79,175,640,325.82/302,673.74
  6. Step 6: Final answer
    x = 261,587.41

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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.