Home / 289,355.04-399,317.04-162,056.52

Finding the Fourth Proportional to 289,355.04, 399,317.04 and 162,056.52

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Solution

The fourth proportional to 289,355.04, 399,317.04 and 162,056.52 is: 223,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,355.04 : 399,317.04 = 162,056.52 : x
  2. Step 2: Convert to fraction form
    289,355.04/399,317.04 = 162,056.52/x
  3. Step 3: Cross multiply
    289,355.04x = 399,317.04 × 162,056.52
  4. Step 4: Simplify right side
    289,355.04x = 64,711,929,879.10
  5. Step 5: Solve for x
    x = 64,711,929,879.10/289,355.04
  6. Step 6: Final answer
    x = 223,641.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.