Home / 294,858.36-440,142.12-272,949.48

Finding the Fourth Proportional to 294,858.36, 440,142.12 and 272,949.48

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Solution

The fourth proportional to 294,858.36, 440,142.12 and 272,949.48 is: 407,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,858.36 : 440,142.12 = 272,949.48 : x
  2. Step 2: Convert to fraction form
    294,858.36/440,142.12 = 272,949.48/x
  3. Step 3: Cross multiply
    294,858.36x = 440,142.12 × 272,949.48
  4. Step 4: Simplify right side
    294,858.36x = 120,136,562,780.10
  5. Step 5: Solve for x
    x = 120,136,562,780.10/294,858.36
  6. Step 6: Final answer
    x = 407,438.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.