Home / 287,036.26-430,556.55-100,047.94

Finding the Fourth Proportional to 287,036.26, 430,556.55 and 100,047.94

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Solution

The fourth proportional to 287,036.26, 430,556.55 and 100,047.94 is: 150,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,036.26 : 430,556.55 = 100,047.94 : x
  2. Step 2: Convert to fraction form
    287,036.26/430,556.55 = 100,047.94/x
  3. Step 3: Cross multiply
    287,036.26x = 430,556.55 × 100,047.94
  4. Step 4: Simplify right side
    287,036.26x = 43,076,295,881.01
  5. Step 5: Solve for x
    x = 43,076,295,881.01/287,036.26
  6. Step 6: Final answer
    x = 150,072.66

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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.