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Finding the Fourth Proportional to 492,144.50, 679,159.53 and 265,790.06

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Solution

The fourth proportional to 492,144.50, 679,159.53 and 265,790.06 is: 366,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,144.50 : 679,159.53 = 265,790.06 : x
  2. Step 2: Convert to fraction form
    492,144.50/679,159.53 = 265,790.06/x
  3. Step 3: Cross multiply
    492,144.50x = 679,159.53 × 265,790.06
  4. Step 4: Simplify right side
    492,144.50x = 180,513,852,228.27
  5. Step 5: Solve for x
    x = 180,513,852,228.27/492,144.50
  6. Step 6: Final answer
    x = 366,790.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.