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Finding the Fourth Proportional to 289,750.90, 434,626.35 and 237,910.90

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Solution

The fourth proportional to 289,750.90, 434,626.35 and 237,910.90 is: 356,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,750.90 : 434,626.35 = 237,910.90 : x
  2. Step 2: Convert to fraction form
    289,750.90/434,626.35 = 237,910.90/x
  3. Step 3: Cross multiply
    289,750.90x = 434,626.35 × 237,910.90
  4. Step 4: Simplify right side
    289,750.90x = 103,402,346,092.22
  5. Step 5: Solve for x
    x = 103,402,346,092.22/289,750.90
  6. Step 6: Final answer
    x = 356,866.35

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1.5x scale

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.