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Finding the Fourth Proportional to 628,683.88, 943,016.58 and 155,369.24

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Solution

The fourth proportional to 628,683.88, 943,016.58 and 155,369.24 is: 233,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,683.88 : 943,016.58 = 155,369.24 : x
  2. Step 2: Convert to fraction form
    628,683.88/943,016.58 = 155,369.24/x
  3. Step 3: Cross multiply
    628,683.88x = 943,016.58 × 155,369.24
  4. Step 4: Simplify right side
    628,683.88x = 146,515,769,342.00
  5. Step 5: Solve for x
    x = 146,515,769,342.00/628,683.88
  6. Step 6: Final answer
    x = 233,051.58

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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.