Home / 298,795.02-412,337.12-162,828.91

Finding the Fourth Proportional to 298,795.02, 412,337.12 and 162,828.91

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Solution

The fourth proportional to 298,795.02, 412,337.12 and 162,828.91 is: 224,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,795.02 : 412,337.12 = 162,828.91 : x
  2. Step 2: Convert to fraction form
    298,795.02/412,337.12 = 162,828.91/x
  3. Step 3: Cross multiply
    298,795.02x = 412,337.12 × 162,828.91
  4. Step 4: Simplify right side
    298,795.02x = 67,140,403,802.14
  5. Step 5: Solve for x
    x = 67,140,403,802.14/298,795.02
  6. Step 6: Final answer
    x = 224,703.89

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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.