Home / 405,094.08-559,020-223,823.36

Finding the Fourth Proportional to 405,094.08, 559,020 and 223,823.36

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Solution

The fourth proportional to 405,094.08, 559,020 and 223,823.36 is: 308,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,094.08 : 559,020 = 223,823.36 : x
  2. Step 2: Convert to fraction form
    405,094.08/559,020 = 223,823.36/x
  3. Step 3: Cross multiply
    405,094.08x = 559,020 × 223,823.36
  4. Step 4: Simplify right side
    405,094.08x = 125,121,734,707.20
  5. Step 5: Solve for x
    x = 125,121,734,707.20/405,094.08
  6. Step 6: Final answer
    x = 308,870.81

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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.