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Finding the Fourth Proportional to 602,894.20, 904,341.30 and 203,438.65

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Solution

The fourth proportional to 602,894.20, 904,341.30 and 203,438.65 is: 305,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,894.20 : 904,341.30 = 203,438.65 : x
  2. Step 2: Convert to fraction form
    602,894.20/904,341.30 = 203,438.65/x
  3. Step 3: Cross multiply
    602,894.20x = 904,341.30 × 203,438.65
  4. Step 4: Simplify right side
    602,894.20x = 183,977,973,211.25
  5. Step 5: Solve for x
    x = 183,977,973,211.25/602,894.20
  6. Step 6: Final answer
    x = 305,157.98

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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.