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Finding the Fourth Proportional to 602,313.64, 903,488.70 and 153,034.54

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Solution

The fourth proportional to 602,313.64, 903,488.70 and 153,034.54 is: 229,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,313.64 : 903,488.70 = 153,034.54 : x
  2. Step 2: Convert to fraction form
    602,313.64/903,488.70 = 153,034.54/x
  3. Step 3: Cross multiply
    602,313.64x = 903,488.70 × 153,034.54
  4. Step 4: Simplify right side
    602,313.64x = 138,264,977,599.70
  5. Step 5: Solve for x
    x = 138,264,977,599.70/602,313.64
  6. Step 6: Final answer
    x = 229,556.44

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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.