Home / 286,754.37-430,135.62-109,271.10

Finding the Fourth Proportional to 286,754.37, 430,135.62 and 109,271.10

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Solution

The fourth proportional to 286,754.37, 430,135.62 and 109,271.10 is: 163,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,754.37 : 430,135.62 = 109,271.10 : x
  2. Step 2: Convert to fraction form
    286,754.37/430,135.62 = 109,271.10/x
  3. Step 3: Cross multiply
    286,754.37x = 430,135.62 × 109,271.10
  4. Step 4: Simplify right side
    286,754.37x = 47,001,392,346.58
  5. Step 5: Solve for x
    x = 47,001,392,346.58/286,754.37
  6. Step 6: Final answer
    x = 163,908.20

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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.