Home / 307,362.16-461,045.40-97,021.36

Finding the Fourth Proportional to 307,362.16, 461,045.40 and 97,021.36

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Solution

The fourth proportional to 307,362.16, 461,045.40 and 97,021.36 is: 145,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,362.16 : 461,045.40 = 97,021.36 : x
  2. Step 2: Convert to fraction form
    307,362.16/461,045.40 = 97,021.36/x
  3. Step 3: Cross multiply
    307,362.16x = 461,045.40 × 97,021.36
  4. Step 4: Simplify right side
    307,362.16x = 44,731,251,729.74
  5. Step 5: Solve for x
    x = 44,731,251,729.74/307,362.16
  6. Step 6: Final answer
    x = 145,532.72

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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.