Home / 742,157.00-1,113,308.40-209,682.17

Finding the Fourth Proportional to 742,157.00, 1,113,308.40 and 209,682.17

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Solution

The fourth proportional to 742,157.00, 1,113,308.40 and 209,682.17 is: 314,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,157.00 : 1,113,308.40 = 209,682.17 : x
  2. Step 2: Convert to fraction form
    742,157.00/1,113,308.40 = 209,682.17/x
  3. Step 3: Cross multiply
    742,157.00x = 1,113,308.40 × 209,682.17
  4. Step 4: Simplify right side
    742,157.00x = 233,440,915,624.69
  5. Step 5: Solve for x
    x = 233,440,915,624.69/742,157.00
  6. Step 6: Final answer
    x = 314,543.85

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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.