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Finding the Fourth Proportional to 174,017.70, 243,099.90 and 174,017.70

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Solution

The fourth proportional to 174,017.70, 243,099.90 and 174,017.70 is: 243,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,017.70 : 243,099.90 = 174,017.70 : x
  2. Step 2: Convert to fraction form
    174,017.70/243,099.90 = 174,017.70/x
  3. Step 3: Cross multiply
    174,017.70x = 243,099.90 × 174,017.70
  4. Step 4: Simplify right side
    174,017.70x = 42,303,685,468.23
  5. Step 5: Solve for x
    x = 42,303,685,468.23/174,017.70
  6. Step 6: Final answer
    x = 243,099.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.