Home / 307,918.40-461,942.40-97,577.60

Finding the Fourth Proportional to 307,918.40, 461,942.40 and 97,577.60

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Solution

The fourth proportional to 307,918.40, 461,942.40 and 97,577.60 is: 146,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,918.40 : 461,942.40 = 97,577.60 : x
  2. Step 2: Convert to fraction form
    307,918.40/461,942.40 = 97,577.60/x
  3. Step 3: Cross multiply
    307,918.40x = 461,942.40 × 97,577.60
  4. Step 4: Simplify right side
    307,918.40x = 45,075,230,730.24
  5. Step 5: Solve for x
    x = 45,075,230,730.24/307,918.40
  6. Step 6: Final answer
    x = 146,386.93

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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.