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Finding the Fourth Proportional to 302,563.02, 453,893.79 and 89,352.51

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Solution

The fourth proportional to 302,563.02, 453,893.79 and 89,352.51 is: 134,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,563.02 : 453,893.79 = 89,352.51 : x
  2. Step 2: Convert to fraction form
    302,563.02/453,893.79 = 89,352.51/x
  3. Step 3: Cross multiply
    302,563.02x = 453,893.79 × 89,352.51
  4. Step 4: Simplify right side
    302,563.02x = 40,556,549,409.91
  5. Step 5: Solve for x
    x = 40,556,549,409.91/302,563.02
  6. Step 6: Final answer
    x = 134,043.31

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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.