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Finding the Fourth Proportional to 265,746.30, 398,619.45 and 265,746.30

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Solution

The fourth proportional to 265,746.30, 398,619.45 and 265,746.30 is: 398,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,746.30 : 398,619.45 = 265,746.30 : x
  2. Step 2: Convert to fraction form
    265,746.30/398,619.45 = 265,746.30/x
  3. Step 3: Cross multiply
    265,746.30x = 398,619.45 × 265,746.30
  4. Step 4: Simplify right side
    265,746.30x = 105,931,643,945.54
  5. Step 5: Solve for x
    x = 105,931,643,945.54/265,746.30
  6. Step 6: Final answer
    x = 398,619.45

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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.