Finding the Fourth Proportional to 291,372.60, 402,207.18 and 227,731.08
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Solution
The fourth proportional to 291,372.60, 402,207.18 and 227,731.08 is: 314,357.20
Step by Step Solution
- Step 1: Write the proportion equation
291,372.60 : 402,207.18 = 227,731.08 : x - Step 2: Convert to fraction form
291,372.60/402,207.18 = 227,731.08/x - Step 3: Cross multiply
291,372.60x = 402,207.18 × 227,731.08 - Step 4: Simplify right side
291,372.60x = 91,595,075,485.15 - Step 5: Solve for x
x = 91,595,075,485.15/291,372.60 - Step 6: Final answer
x = 314,357.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.