Finding the Fourth Proportional to 357,839.18, 493,809.70 and 194,491.81
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Solution
The fourth proportional to 357,839.18, 493,809.70 and 194,491.81 is: 268,394.14
Step by Step Solution
- Step 1: Write the proportion equation
357,839.18 : 493,809.70 = 194,491.81 : x - Step 2: Convert to fraction form
357,839.18/493,809.70 = 194,491.81/x - Step 3: Cross multiply
357,839.18x = 493,809.70 × 194,491.81 - Step 4: Simplify right side
357,839.18x = 96,041,938,907.05 - Step 5: Solve for x
x = 96,041,938,907.05/357,839.18 - Step 6: Final answer
x = 268,394.14
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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.