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Finding the Fourth Proportional to 174,015.70, 243,097.10 and 174,015.70

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Solution

The fourth proportional to 174,015.70, 243,097.10 and 174,015.70 is: 243,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,015.70 : 243,097.10 = 174,015.70 : x
  2. Step 2: Convert to fraction form
    174,015.70/243,097.10 = 174,015.70/x
  3. Step 3: Cross multiply
    174,015.70x = 243,097.10 × 174,015.70
  4. Step 4: Simplify right side
    174,015.70x = 42,302,712,024.47
  5. Step 5: Solve for x
    x = 42,302,712,024.47/174,015.70
  6. Step 6: Final answer
    x = 243,097.10

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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.