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Finding the Fourth Proportional to 310,068.30, 464,774.40 and 120,455.40

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Solution

The fourth proportional to 310,068.30, 464,774.40 and 120,455.40 is: 180,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,068.30 : 464,774.40 = 120,455.40 : x
  2. Step 2: Convert to fraction form
    310,068.30/464,774.40 = 120,455.40/x
  3. Step 3: Cross multiply
    310,068.30x = 464,774.40 × 120,455.40
  4. Step 4: Simplify right side
    310,068.30x = 55,984,586,261.76
  5. Step 5: Solve for x
    x = 55,984,586,261.76/310,068.30
  6. Step 6: Final answer
    x = 180,555.66

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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.