Finding the Fourth Proportional to 242,780.91, 364,318.99 and 102,539.54
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Solution
The fourth proportional to 242,780.91, 364,318.99 and 102,539.54 is: 153,871.65
Step by Step Solution
- Step 1: Write the proportion equation
242,780.91 : 364,318.99 = 102,539.54 : x - Step 2: Convert to fraction form
242,780.91/364,318.99 = 102,539.54/x - Step 3: Cross multiply
242,780.91x = 364,318.99 × 102,539.54 - Step 4: Simplify right side
242,780.91x = 37,357,099,569.92 - Step 5: Solve for x
x = 37,357,099,569.92/242,780.91 - Step 6: Final answer
x = 153,871.65
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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.