Finding the Fourth Proportional to 267,368.14, 401,248.23 and 215,405.02
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Solution
The fourth proportional to 267,368.14, 401,248.23 and 215,405.02 is: 323,265.45
Step by Step Solution
- Step 1: Write the proportion equation
267,368.14 : 401,248.23 = 215,405.02 : x - Step 2: Convert to fraction form
267,368.14/401,248.23 = 215,405.02/x - Step 3: Cross multiply
267,368.14x = 401,248.23 × 215,405.02 - Step 4: Simplify right side
267,368.14x = 86,430,883,008.11 - Step 5: Solve for x
x = 86,430,883,008.11/267,368.14 - Step 6: Final answer
x = 323,265.45
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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.