Home / 453,731.32-680,628.30-154,089.64

Finding the Fourth Proportional to 453,731.32, 680,628.30 and 154,089.64

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Solution

The fourth proportional to 453,731.32, 680,628.30 and 154,089.64 is: 231,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,731.32 : 680,628.30 = 154,089.64 : x
  2. Step 2: Convert to fraction form
    453,731.32/680,628.30 = 154,089.64/x
  3. Step 3: Cross multiply
    453,731.32x = 680,628.30 × 154,089.64
  4. Step 4: Simplify right side
    453,731.32x = 104,877,769,720.81
  5. Step 5: Solve for x
    x = 104,877,769,720.81/453,731.32
  6. Step 6: Final answer
    x = 231,145.10

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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.