Home / 307,914.80-461,483.40-272,922.80

Finding the Fourth Proportional to 307,914.80, 461,483.40 and 272,922.80

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Solution

The fourth proportional to 307,914.80, 461,483.40 and 272,922.80 is: 409,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,914.80 : 461,483.40 = 272,922.80 : x
  2. Step 2: Convert to fraction form
    307,914.80/461,483.40 = 272,922.80/x
  3. Step 3: Cross multiply
    307,914.80x = 461,483.40 × 272,922.80
  4. Step 4: Simplify right side
    307,914.80x = 125,949,341,681.52
  5. Step 5: Solve for x
    x = 125,949,341,681.52/307,914.80
  6. Step 6: Final answer
    x = 409,039.58

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1.5x scale

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.