Finding the Fourth Proportional to 511,014.58, 705,044.02 and 296,113.12
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Solution
The fourth proportional to 511,014.58, 705,044.02 and 296,113.12 is: 408,545.65
Step by Step Solution
- Step 1: Write the proportion equation
511,014.58 : 705,044.02 = 296,113.12 : x - Step 2: Convert to fraction form
511,014.58/705,044.02 = 296,113.12/x - Step 3: Cross multiply
511,014.58x = 705,044.02 × 296,113.12 - Step 4: Simplify right side
511,014.58x = 208,772,784,499.54 - Step 5: Solve for x
x = 208,772,784,499.54/511,014.58 - Step 6: Final answer
x = 408,545.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.