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Finding the Fourth Proportional to 318,637.77, 477,956.67 and 118,973.73

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Solution

The fourth proportional to 318,637.77, 477,956.67 and 118,973.73 is: 178,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,637.77 : 477,956.67 = 118,973.73 : x
  2. Step 2: Convert to fraction form
    318,637.77/477,956.67 = 118,973.73/x
  3. Step 3: Cross multiply
    318,637.77x = 477,956.67 × 118,973.73
  4. Step 4: Simplify right side
    318,637.77x = 56,864,287,808.28
  5. Step 5: Solve for x
    x = 56,864,287,808.28/318,637.77
  6. Step 6: Final answer
    x = 178,460.60

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1.5x scale

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.