Finding the Fourth Proportional to 368,384.73, 551,919.70 and 199,797.53
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Solution
The fourth proportional to 368,384.73, 551,919.70 and 199,797.53 is: 299,339.75
Step by Step Solution
- Step 1: Write the proportion equation
368,384.73 : 551,919.70 = 199,797.53 : x - Step 2: Convert to fraction form
368,384.73/551,919.70 = 199,797.53/x - Step 3: Cross multiply
368,384.73x = 551,919.70 × 199,797.53 - Step 4: Simplify right side
368,384.73x = 110,272,192,818.34 - Step 5: Solve for x
x = 110,272,192,818.34/368,384.73 - Step 6: Final answer
x = 299,339.75
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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.