Home / 307,587.40-461,381.10-223,606.60

Finding the Fourth Proportional to 307,587.40, 461,381.10 and 223,606.60

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Solution

The fourth proportional to 307,587.40, 461,381.10 and 223,606.60 is: 335,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,587.40 : 461,381.10 = 223,606.60 : x
  2. Step 2: Convert to fraction form
    307,587.40/461,381.10 = 223,606.60/x
  3. Step 3: Cross multiply
    307,587.40x = 461,381.10 × 223,606.60
  4. Step 4: Simplify right side
    307,587.40x = 103,167,859,075.26
  5. Step 5: Solve for x
    x = 103,167,859,075.26/307,587.40
  6. Step 6: Final answer
    x = 335,409.90

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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.