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Finding the Fourth Proportional to 443,484.96, 612,009.04 and 239,535.84

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Solution

The fourth proportional to 443,484.96, 612,009.04 and 239,535.84 is: 330,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,484.96 : 612,009.04 = 239,535.84 : x
  2. Step 2: Convert to fraction form
    443,484.96/612,009.04 = 239,535.84/x
  3. Step 3: Cross multiply
    443,484.96x = 612,009.04 × 239,535.84
  4. Step 4: Simplify right side
    443,484.96x = 146,598,099,483.99
  5. Step 5: Solve for x
    x = 146,598,099,483.99/443,484.96
  6. Step 6: Final answer
    x = 330,559.35

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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.