Finding the Fourth Proportional to 487,548.18, 672,545.70 and 283,576.14
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Solution
The fourth proportional to 487,548.18, 672,545.70 and 283,576.14 is: 391,177.57
Step by Step Solution
- Step 1: Write the proportion equation
487,548.18 : 672,545.70 = 283,576.14 : x - Step 2: Convert to fraction form
487,548.18/672,545.70 = 283,576.14/x - Step 3: Cross multiply
487,548.18x = 672,545.70 × 283,576.14 - Step 4: Simplify right side
487,548.18x = 190,717,913,579.60 - Step 5: Solve for x
x = 190,717,913,579.60/487,548.18 - Step 6: Final answer
x = 391,177.57
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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.