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Finding the Fourth Proportional to 545,873.40, 818,810.10 and 190,850.40

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Solution

The fourth proportional to 545,873.40, 818,810.10 and 190,850.40 is: 286,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,873.40 : 818,810.10 = 190,850.40 : x
  2. Step 2: Convert to fraction form
    545,873.40/818,810.10 = 190,850.40/x
  3. Step 3: Cross multiply
    545,873.40x = 818,810.10 × 190,850.40
  4. Step 4: Simplify right side
    545,873.40x = 156,270,235,109.04
  5. Step 5: Solve for x
    x = 156,270,235,109.04/545,873.40
  6. Step 6: Final answer
    x = 286,275.60

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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.