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Finding the Fourth Proportional to 602,749.64, 903,495.67 and 203,253.05

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Solution

The fourth proportional to 602,749.64, 903,495.67 and 203,253.05 is: 304,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,749.64 : 903,495.67 = 203,253.05 : x
  2. Step 2: Convert to fraction form
    602,749.64/903,495.67 = 203,253.05/x
  3. Step 3: Cross multiply
    602,749.64x = 903,495.67 × 203,253.05
  4. Step 4: Simplify right side
    602,749.64x = 183,638,252,339.90
  5. Step 5: Solve for x
    x = 183,638,252,339.90/602,749.64
  6. Step 6: Final answer
    x = 304,667.54

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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.