Finding the Fourth Proportional to 395,623.56, 545,959.71 and 214,339.95
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Solution
The fourth proportional to 395,623.56, 545,959.71 and 214,339.95 is: 295,788.70
Step by Step Solution
- Step 1: Write the proportion equation
395,623.56 : 545,959.71 = 214,339.95 : x - Step 2: Convert to fraction form
395,623.56/545,959.71 = 214,339.95/x - Step 3: Cross multiply
395,623.56x = 545,959.71 × 214,339.95 - Step 4: Simplify right side
395,623.56x = 117,020,976,943.42 - Step 5: Solve for x
x = 117,020,976,943.42/395,623.56 - Step 6: Final answer
x = 295,788.70
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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.