Home / 654,316.65-981,474.93-180,989.69

Finding the Fourth Proportional to 654,316.65, 981,474.93 and 180,989.69

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Solution

The fourth proportional to 654,316.65, 981,474.93 and 180,989.69 is: 271,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,316.65 : 981,474.93 = 180,989.69 : x
  2. Step 2: Convert to fraction form
    654,316.65/981,474.93 = 180,989.69/x
  3. Step 3: Cross multiply
    654,316.65x = 981,474.93 × 180,989.69
  4. Step 4: Simplify right side
    654,316.65x = 177,636,838,416.10
  5. Step 5: Solve for x
    x = 177,636,838,416.10/654,316.65
  6. Step 6: Final answer
    x = 271,484.52

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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.