Home / 331,652.07-457,681.59-188,420.18

Finding the Fourth Proportional to 331,652.07, 457,681.59 and 188,420.18

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Solution

The fourth proportional to 331,652.07, 457,681.59 and 188,420.18 is: 260,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,652.07 : 457,681.59 = 188,420.18 : x
  2. Step 2: Convert to fraction form
    331,652.07/457,681.59 = 188,420.18/x
  3. Step 3: Cross multiply
    331,652.07x = 457,681.59 × 188,420.18
  4. Step 4: Simplify right side
    331,652.07x = 86,236,445,282.08
  5. Step 5: Solve for x
    x = 86,236,445,282.08/331,652.07
  6. Step 6: Final answer
    x = 260,020.83

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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.