Finding the Fourth Proportional to 372,916.71, 559,263.89 and 132,988.23
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Solution
The fourth proportional to 372,916.71, 559,263.89 and 132,988.23 is: 199,442.70
Step by Step Solution
- Step 1: Write the proportion equation
372,916.71 : 559,263.89 = 132,988.23 : x - Step 2: Convert to fraction form
372,916.71/559,263.89 = 132,988.23/x - Step 3: Cross multiply
372,916.71x = 559,263.89 × 132,988.23 - Step 4: Simplify right side
372,916.71x = 74,375,515,166.49 - Step 5: Solve for x
x = 74,375,515,166.49/372,916.71 - Step 6: Final answer
x = 199,442.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.