Finding the Fourth Proportional to 303,364.20, 455,702.40 and 214,790.70
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Solution
The fourth proportional to 303,364.20, 455,702.40 and 214,790.70 is: 322,650.59
Step by Step Solution
- Step 1: Write the proportion equation
303,364.20 : 455,702.40 = 214,790.70 : x - Step 2: Convert to fraction form
303,364.20/455,702.40 = 214,790.70/x - Step 3: Cross multiply
303,364.20x = 455,702.40 × 214,790.70 - Step 4: Simplify right side
303,364.20x = 97,880,637,487.68 - Step 5: Solve for x
x = 97,880,637,487.68/303,364.20 - Step 6: Final answer
x = 322,650.59
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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.