Finding the Fourth Proportional to 368,132.70, 551,421.45 and 305,924.70
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Solution
The fourth proportional to 368,132.70, 551,421.45 and 305,924.70 is: 458,240.85
Step by Step Solution
- Step 1: Write the proportion equation
368,132.70 : 551,421.45 = 305,924.70 : x - Step 2: Convert to fraction form
368,132.70/551,421.45 = 305,924.70/x - Step 3: Cross multiply
368,132.70x = 551,421.45 × 305,924.70 - Step 4: Simplify right side
368,132.70x = 168,693,441,664.82 - Step 5: Solve for x
x = 168,693,441,664.82/368,132.70 - Step 6: Final answer
x = 458,240.85
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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.