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Finding the Fourth Proportional to 340,955.68, 470,520.96 and 190,062.40

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Solution

The fourth proportional to 340,955.68, 470,520.96 and 190,062.40 is: 262,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,955.68 : 470,520.96 = 190,062.40 : x
  2. Step 2: Convert to fraction form
    340,955.68/470,520.96 = 190,062.40/x
  3. Step 3: Cross multiply
    340,955.68x = 470,520.96 × 190,062.40
  4. Step 4: Simplify right side
    340,955.68x = 89,428,342,907.90
  5. Step 5: Solve for x
    x = 89,428,342,907.90/340,955.68
  6. Step 6: Final answer
    x = 262,287.29

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1.5x scale

Why These Related Problems?

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