Home / 405,355.04-607,704.60-168,875.36

Finding the Fourth Proportional to 405,355.04, 607,704.60 and 168,875.36

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Solution

The fourth proportional to 405,355.04, 607,704.60 and 168,875.36 is: 253,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,355.04 : 607,704.60 = 168,875.36 : x
  2. Step 2: Convert to fraction form
    405,355.04/607,704.60 = 168,875.36/x
  3. Step 3: Cross multiply
    405,355.04x = 607,704.60 × 168,875.36
  4. Step 4: Simplify right side
    405,355.04x = 102,626,333,098.66
  5. Step 5: Solve for x
    x = 102,626,333,098.66/405,355.04
  6. Step 6: Final answer
    x = 253,176.41

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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.