Home / 307,927.11-461,271.27-153,587.79

Finding the Fourth Proportional to 307,927.11, 461,271.27 and 153,587.79

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Solution

The fourth proportional to 307,927.11, 461,271.27 and 153,587.79 is: 230,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,927.11 : 461,271.27 = 153,587.79 : x
  2. Step 2: Convert to fraction form
    307,927.11/461,271.27 = 153,587.79/x
  3. Step 3: Cross multiply
    307,927.11x = 461,271.27 × 153,587.79
  4. Step 4: Simplify right side
    307,927.11x = 70,845,634,949.79
  5. Step 5: Solve for x
    x = 70,845,634,949.79/307,927.11
  6. Step 6: Final answer
    x = 230,072.74

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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.