Finding the Fourth Proportional to 315,916.18, 435,963.70 and 179,950.08
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Solution
The fourth proportional to 315,916.18, 435,963.70 and 179,950.08 is: 248,330.75
Step by Step Solution
- Step 1: Write the proportion equation
315,916.18 : 435,963.70 = 179,950.08 : x - Step 2: Convert to fraction form
315,916.18/435,963.70 = 179,950.08/x - Step 3: Cross multiply
315,916.18x = 435,963.70 × 179,950.08 - Step 4: Simplify right side
315,916.18x = 78,451,702,692.10 - Step 5: Solve for x
x = 78,451,702,692.10/315,916.18 - Step 6: Final answer
x = 248,330.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.