Home / 210,848.10-316,345.05-203,558.10

Finding the Fourth Proportional to 210,848.10, 316,345.05 and 203,558.10

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Solution

The fourth proportional to 210,848.10, 316,345.05 and 203,558.10 is: 305,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,848.10 : 316,345.05 = 203,558.10 : x
  2. Step 2: Convert to fraction form
    210,848.10/316,345.05 = 203,558.10/x
  3. Step 3: Cross multiply
    210,848.10x = 316,345.05 × 203,558.10
  4. Step 4: Simplify right side
    210,848.10x = 64,394,597,322.41
  5. Step 5: Solve for x
    x = 64,394,597,322.41/210,848.10
  6. Step 6: Final answer
    x = 305,407.53

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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.