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Finding the Fourth Proportional to 459,507.60, 689,261.40 and 223,311.60

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Solution

The fourth proportional to 459,507.60, 689,261.40 and 223,311.60 is: 334,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,507.60 : 689,261.40 = 223,311.60 : x
  2. Step 2: Convert to fraction form
    459,507.60/689,261.40 = 223,311.60/x
  3. Step 3: Cross multiply
    459,507.60x = 689,261.40 × 223,311.60
  4. Step 4: Simplify right side
    459,507.60x = 153,920,066,052.24
  5. Step 5: Solve for x
    x = 153,920,066,052.24/459,507.60
  6. Step 6: Final answer
    x = 334,967.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.