Finding the Fourth Proportional to 689,291.81, 1,033,986.86 and 183,849.92
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Solution
The fourth proportional to 689,291.81, 1,033,986.86 and 183,849.92 is: 275,787.99
Step by Step Solution
- Step 1: Write the proportion equation
689,291.81 : 1,033,986.86 = 183,849.92 : x - Step 2: Convert to fraction form
689,291.81/1,033,986.86 = 183,849.92/x - Step 3: Cross multiply
689,291.81x = 1,033,986.86 × 183,849.92 - Step 4: Simplify right side
689,291.81x = 190,098,401,492.05 - Step 5: Solve for x
x = 190,098,401,492.05/689,291.81 - Step 6: Final answer
x = 275,787.99
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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.