Finding the Fourth Proportional to 381,830.61, 526,895.37 and 220,696.08
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Solution
The fourth proportional to 381,830.61, 526,895.37 and 220,696.08 is: 304,542.75
Step by Step Solution
- Step 1: Write the proportion equation
381,830.61 : 526,895.37 = 220,696.08 : x - Step 2: Convert to fraction form
381,830.61/526,895.37 = 220,696.08/x - Step 3: Cross multiply
381,830.61x = 526,895.37 × 220,696.08 - Step 4: Simplify right side
381,830.61x = 116,283,742,729.15 - Step 5: Solve for x
x = 116,283,742,729.15/381,830.61 - Step 6: Final answer
x = 304,542.75
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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.