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Finding the Fourth Proportional to 243,485.70, 365,228.55 and 66,014.70

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Solution

The fourth proportional to 243,485.70, 365,228.55 and 66,014.70 is: 99,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,485.70 : 365,228.55 = 66,014.70 : x
  2. Step 2: Convert to fraction form
    243,485.70/365,228.55 = 66,014.70/x
  3. Step 3: Cross multiply
    243,485.70x = 365,228.55 × 66,014.70
  4. Step 4: Simplify right side
    243,485.70x = 24,110,453,159.69
  5. Step 5: Solve for x
    x = 24,110,453,159.69/243,485.70
  6. Step 6: Final answer
    x = 99,022.05

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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.