Finding the Fourth Proportional to 291,602.40, 436,366.80 and 202,437.60
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Solution
The fourth proportional to 291,602.40, 436,366.80 and 202,437.60 is: 302,936.63
Step by Step Solution
- Step 1: Write the proportion equation
291,602.40 : 436,366.80 = 202,437.60 : x - Step 2: Convert to fraction form
291,602.40/436,366.80 = 202,437.60/x - Step 3: Cross multiply
291,602.40x = 436,366.80 × 202,437.60 - Step 4: Simplify right side
291,602.40x = 88,337,047,711.68 - Step 5: Solve for x
x = 88,337,047,711.68/291,602.40 - Step 6: Final answer
x = 302,936.63
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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.