Finding the Fourth Proportional to 322,836.18, 484,089.84 and 171,116.70
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Solution
The fourth proportional to 322,836.18, 484,089.84 and 171,116.70 is: 256,587.90
Step by Step Solution
- Step 1: Write the proportion equation
322,836.18 : 484,089.84 = 171,116.70 : x - Step 2: Convert to fraction form
322,836.18/484,089.84 = 171,116.70/x - Step 3: Cross multiply
322,836.18x = 484,089.84 × 171,116.70 - Step 4: Simplify right side
322,836.18x = 82,835,855,924.33 - Step 5: Solve for x
x = 82,835,855,924.33/322,836.18 - Step 6: Final answer
x = 256,587.90
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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.