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Finding the Fourth Proportional to 290,246.40, 434,851.20 and 237,369.60

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Solution

The fourth proportional to 290,246.40, 434,851.20 and 237,369.60 is: 355,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,246.40 : 434,851.20 = 237,369.60 : x
  2. Step 2: Convert to fraction form
    290,246.40/434,851.20 = 237,369.60/x
  3. Step 3: Cross multiply
    290,246.40x = 434,851.20 × 237,369.60
  4. Step 4: Simplify right side
    290,246.40x = 103,220,455,403.52
  5. Step 5: Solve for x
    x = 103,220,455,403.52/290,246.40
  6. Step 6: Final answer
    x = 355,630.44

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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.