Home / 357,962.36-536,608.20-121,139.24

Finding the Fourth Proportional to 357,962.36, 536,608.20 and 121,139.24

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Solution

The fourth proportional to 357,962.36, 536,608.20 and 121,139.24 is: 181,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,962.36 : 536,608.20 = 121,139.24 : x
  2. Step 2: Convert to fraction form
    357,962.36/536,608.20 = 121,139.24/x
  3. Step 3: Cross multiply
    357,962.36x = 536,608.20 × 121,139.24
  4. Step 4: Simplify right side
    357,962.36x = 65,004,309,525.77
  5. Step 5: Solve for x
    x = 65,004,309,525.77/357,962.36
  6. Step 6: Final answer
    x = 181,595.38

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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.