Finding the Fourth Proportional to 810,336.84, 1,215,506.18 and 211,297.48
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Solution
The fourth proportional to 810,336.84, 1,215,506.18 and 211,297.48 is: 316,946.46
Step by Step Solution
- Step 1: Write the proportion equation
810,336.84 : 1,215,506.18 = 211,297.48 : x - Step 2: Convert to fraction form
810,336.84/1,215,506.18 = 211,297.48/x - Step 3: Cross multiply
810,336.84x = 1,215,506.18 × 211,297.48 - Step 4: Simplify right side
810,336.84x = 256,833,392,758.43 - Step 5: Solve for x
x = 256,833,392,758.43/810,336.84 - Step 6: Final answer
x = 316,946.46
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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.