Home / 435,467.40-653,201.15-135,973.64

Finding the Fourth Proportional to 435,467.40, 653,201.15 and 135,973.64

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Solution

The fourth proportional to 435,467.40, 653,201.15 and 135,973.64 is: 203,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,467.40 : 653,201.15 = 135,973.64 : x
  2. Step 2: Convert to fraction form
    435,467.40/653,201.15 = 135,973.64/x
  3. Step 3: Cross multiply
    435,467.40x = 653,201.15 × 135,973.64
  4. Step 4: Simplify right side
    435,467.40x = 88,818,134,071.81
  5. Step 5: Solve for x
    x = 88,818,134,071.81/435,467.40
  6. Step 6: Final answer
    x = 203,960.47

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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.