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Finding the Fourth Proportional to 301,065.63, 415,470.13 and 173,741.23

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Solution

The fourth proportional to 301,065.63, 415,470.13 and 173,741.23 is: 239,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,065.63 : 415,470.13 = 173,741.23 : x
  2. Step 2: Convert to fraction form
    301,065.63/415,470.13 = 173,741.23/x
  3. Step 3: Cross multiply
    301,065.63x = 415,470.13 × 173,741.23
  4. Step 4: Simplify right side
    301,065.63x = 72,184,291,414.46
  5. Step 5: Solve for x
    x = 72,184,291,414.46/301,065.63
  6. Step 6: Final answer
    x = 239,762.64

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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.