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Finding the Fourth Proportional to 162,014.40, 243,021.60 and 155,453.40

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Solution

The fourth proportional to 162,014.40, 243,021.60 and 155,453.40 is: 233,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014.40 : 243,021.60 = 155,453.40 : x
  2. Step 2: Convert to fraction form
    162,014.40/243,021.60 = 155,453.40/x
  3. Step 3: Cross multiply
    162,014.40x = 243,021.60 × 155,453.40
  4. Step 4: Simplify right side
    162,014.40x = 37,778,533,993.44
  5. Step 5: Solve for x
    x = 37,778,533,993.44/162,014.40
  6. Step 6: Final answer
    x = 233,180.10

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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.