Finding the Fourth Proportional to 291,269.70, 436,904.55 and 197,957.70
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Solution
The fourth proportional to 291,269.70, 436,904.55 and 197,957.70 is: 296,936.55
Step by Step Solution
- Step 1: Write the proportion equation
291,269.70 : 436,904.55 = 197,957.70 : x - Step 2: Convert to fraction form
291,269.70/436,904.55 = 197,957.70/x - Step 3: Cross multiply
291,269.70x = 436,904.55 × 197,957.70 - Step 4: Simplify right side
291,269.70x = 86,488,619,837.54 - Step 5: Solve for x
x = 86,488,619,837.54/291,269.70 - Step 6: Final answer
x = 296,936.55
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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.