Home / 286,663.44-430,182.48-109,172.16

Finding the Fourth Proportional to 286,663.44, 430,182.48 and 109,172.16

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Solution

The fourth proportional to 286,663.44, 430,182.48 and 109,172.16 is: 163,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,663.44 : 430,182.48 = 109,172.16 : x
  2. Step 2: Convert to fraction form
    286,663.44/430,182.48 = 109,172.16/x
  3. Step 3: Cross multiply
    286,663.44x = 430,182.48 × 109,172.16
  4. Step 4: Simplify right side
    286,663.44x = 46,963,950,535.76
  5. Step 5: Solve for x
    x = 46,963,950,535.76/286,663.44
  6. Step 6: Final answer
    x = 163,829.58

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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.