Finding the Fourth Proportional to 302,913.10, 454,364.49 and 89,680.09
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Solution
The fourth proportional to 302,913.10, 454,364.49 and 89,680.09 is: 134,518.61
Step by Step Solution
- Step 1: Write the proportion equation
302,913.10 : 454,364.49 = 89,680.09 : x - Step 2: Convert to fraction form
302,913.10/454,364.49 = 89,680.09/x - Step 3: Cross multiply
302,913.10x = 454,364.49 × 89,680.09 - Step 4: Simplify right side
302,913.10x = 40,747,448,356.00 - Step 5: Solve for x
x = 40,747,448,356.00/302,913.10 - Step 6: Final answer
x = 134,518.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.