Home / 405,148.08-559,095.16-223,860.36

Finding the Fourth Proportional to 405,148.08, 559,095.16 and 223,860.36

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Solution

The fourth proportional to 405,148.08, 559,095.16 and 223,860.36 is: 308,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,148.08 : 559,095.16 = 223,860.36 : x
  2. Step 2: Convert to fraction form
    405,148.08/559,095.16 = 223,860.36/x
  3. Step 3: Cross multiply
    405,148.08x = 559,095.16 × 223,860.36
  4. Step 4: Simplify right side
    405,148.08x = 125,159,243,791.86
  5. Step 5: Solve for x
    x = 125,159,243,791.86/405,148.08
  6. Step 6: Final answer
    x = 308,922.22

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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.