Home / 470,898.12-649,821.49-256,038.36

Finding the Fourth Proportional to 470,898.12, 649,821.49 and 256,038.36

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Solution

The fourth proportional to 470,898.12, 649,821.49 and 256,038.36 is: 353,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,898.12 : 649,821.49 = 256,038.36 : x
  2. Step 2: Convert to fraction form
    470,898.12/649,821.49 = 256,038.36/x
  3. Step 3: Cross multiply
    470,898.12x = 649,821.49 × 256,038.36
  4. Step 4: Simplify right side
    470,898.12x = 166,379,228,592.36
  5. Step 5: Solve for x
    x = 166,379,228,592.36/470,898.12
  6. Step 6: Final answer
    x = 353,323.20

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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.