Home / 321,037.23-481,587.71-118,686.36

Finding the Fourth Proportional to 321,037.23, 481,587.71 and 118,686.36

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Solution

The fourth proportional to 321,037.23, 481,587.71 and 118,686.36 is: 178,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,037.23 : 481,587.71 = 118,686.36 : x
  2. Step 2: Convert to fraction form
    321,037.23/481,587.71 = 118,686.36/x
  3. Step 3: Cross multiply
    321,037.23x = 481,587.71 × 118,686.36
  4. Step 4: Simplify right side
    321,037.23x = 57,157,891,727.20
  5. Step 5: Solve for x
    x = 57,157,891,727.20/321,037.23
  6. Step 6: Final answer
    x = 178,041.32

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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.