Home / 431,271.51-646,078.14-241,155.25

Finding the Fourth Proportional to 431,271.51, 646,078.14 and 241,155.25

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Solution

The fourth proportional to 431,271.51, 646,078.14 and 241,155.25 is: 361,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,271.51 : 646,078.14 = 241,155.25 : x
  2. Step 2: Convert to fraction form
    431,271.51/646,078.14 = 241,155.25/x
  3. Step 3: Cross multiply
    431,271.51x = 646,078.14 × 241,155.25
  4. Step 4: Simplify right side
    431,271.51x = 155,805,133,756.04
  5. Step 5: Solve for x
    x = 155,805,133,756.04/431,271.51
  6. Step 6: Final answer
    x = 361,269.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.