Finding the Fourth Proportional to 355,989.08, 534,352.74 and 238,481.58
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Solution
The fourth proportional to 355,989.08, 534,352.74 and 238,481.58 is: 357,969.65
Step by Step Solution
- Step 1: Write the proportion equation
355,989.08 : 534,352.74 = 238,481.58 : x - Step 2: Convert to fraction form
355,989.08/534,352.74 = 238,481.58/x - Step 3: Cross multiply
355,989.08x = 534,352.74 × 238,481.58 - Step 4: Simplify right side
355,989.08x = 127,433,285,712.53 - Step 5: Solve for x
x = 127,433,285,712.53/355,989.08 - Step 6: Final answer
x = 357,969.65
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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.