Home / 307,679.08-461,544.54-97,312.36

Finding the Fourth Proportional to 307,679.08, 461,544.54 and 97,312.36

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Solution

The fourth proportional to 307,679.08, 461,544.54 and 97,312.36 is: 145,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,679.08 : 461,544.54 = 97,312.36 : x
  2. Step 2: Convert to fraction form
    307,679.08/461,544.54 = 97,312.36/x
  3. Step 3: Cross multiply
    307,679.08x = 461,544.54 × 97,312.36
  4. Step 4: Simplify right side
    307,679.08x = 44,913,988,432.51
  5. Step 5: Solve for x
    x = 44,913,988,432.51/307,679.08
  6. Step 6: Final answer
    x = 145,976.74

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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.