Finding the Fourth Proportional to 316,948.96, 437,437.74 and 202,277.08
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Solution
The fourth proportional to 316,948.96, 437,437.74 and 202,277.08 is: 279,173.12
Step by Step Solution
- Step 1: Write the proportion equation
316,948.96 : 437,437.74 = 202,277.08 : x - Step 2: Convert to fraction form
316,948.96/437,437.74 = 202,277.08/x - Step 3: Cross multiply
316,948.96x = 437,437.74 × 202,277.08 - Step 4: Simplify right side
316,948.96x = 88,483,628,729.00 - Step 5: Solve for x
x = 88,483,628,729.00/316,948.96 - Step 6: Final answer
x = 279,173.12
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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.