Finding the Fourth Proportional to 355,788.06, 490,986.63 and 194,642.70
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Solution
The fourth proportional to 355,788.06, 490,986.63 and 194,642.70 is: 268,606.44
Step by Step Solution
- Step 1: Write the proportion equation
355,788.06 : 490,986.63 = 194,642.70 : x - Step 2: Convert to fraction form
355,788.06/490,986.63 = 194,642.70/x - Step 3: Cross multiply
355,788.06x = 490,986.63 × 194,642.70 - Step 4: Simplify right side
355,788.06x = 95,566,963,327.10 - Step 5: Solve for x
x = 95,566,963,327.10/355,788.06 - Step 6: Final answer
x = 268,606.44
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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.