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Finding the Fourth Proportional to 307,779.64, 461,715.54 and 97,347.64

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Solution

The fourth proportional to 307,779.64, 461,715.54 and 97,347.64 is: 146,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,779.64 : 461,715.54 = 97,347.64 : x
  2. Step 2: Convert to fraction form
    307,779.64/461,715.54 = 97,347.64/x
  3. Step 3: Cross multiply
    307,779.64x = 461,715.54 × 97,347.64
  4. Step 4: Simplify right side
    307,779.64x = 44,946,918,170.33
  5. Step 5: Solve for x
    x = 44,946,918,170.33/307,779.64
  6. Step 6: Final answer
    x = 146,036.03

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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.