Home / 421,536.61-632,235.73-181,585.45

Finding the Fourth Proportional to 421,536.61, 632,235.73 and 181,585.45

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Solution

The fourth proportional to 421,536.61, 632,235.73 and 181,585.45 is: 272,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,536.61 : 632,235.73 = 181,585.45 : x
  2. Step 2: Convert to fraction form
    421,536.61/632,235.73 = 181,585.45/x
  3. Step 3: Cross multiply
    421,536.61x = 632,235.73 × 181,585.45
  4. Step 4: Simplify right side
    421,536.61x = 114,804,809,538.13
  5. Step 5: Solve for x
    x = 114,804,809,538.13/421,536.61
  6. Step 6: Final answer
    x = 272,348.37

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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.