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Finding the Fourth Proportional to 450,097.38, 621,130.95 and 246,147.48

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Solution

The fourth proportional to 450,097.38, 621,130.95 and 246,147.48 is: 339,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,097.38 : 621,130.95 = 246,147.48 : x
  2. Step 2: Convert to fraction form
    450,097.38/621,130.95 = 246,147.48/x
  3. Step 3: Cross multiply
    450,097.38x = 621,130.95 × 246,147.48
  4. Step 4: Simplify right side
    450,097.38x = 152,889,818,092.51
  5. Step 5: Solve for x
    x = 152,889,818,092.51/450,097.38
  6. Step 6: Final answer
    x = 339,681.64

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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.