Finding the Fourth Proportional to 489,934.53, 734,615.70 and 190,064.68
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Solution
The fourth proportional to 489,934.53, 734,615.70 and 190,064.68 is: 284,986.03
Step by Step Solution
- Step 1: Write the proportion equation
489,934.53 : 734,615.70 = 190,064.68 : x - Step 2: Convert to fraction form
489,934.53/734,615.70 = 190,064.68/x - Step 3: Cross multiply
489,934.53x = 734,615.70 × 190,064.68 - Step 4: Simplify right side
489,934.53x = 139,624,497,943.48 - Step 5: Solve for x
x = 139,624,497,943.48/489,934.53 - Step 6: Final answer
x = 284,986.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.