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Finding the Fourth Proportional to 344,307.60, 516,441.36 and 154,719

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Solution

The fourth proportional to 344,307.60, 516,441.36 and 154,719 is: 232,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,307.60 : 516,441.36 = 154,719 : x
  2. Step 2: Convert to fraction form
    344,307.60/516,441.36 = 154,719/x
  3. Step 3: Cross multiply
    344,307.60x = 516,441.36 × 154,719
  4. Step 4: Simplify right side
    344,307.60x = 79,903,290,777.84
  5. Step 5: Solve for x
    x = 79,903,290,777.84/344,307.60
  6. Step 6: Final answer
    x = 232,069.49

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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.