Finding the Fourth Proportional to 203,261.14, 280,547.04 and 135,281.02
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Solution
The fourth proportional to 203,261.14, 280,547.04 and 135,281.02 is: 186,718.87
Step by Step Solution
- Step 1: Write the proportion equation
203,261.14 : 280,547.04 = 135,281.02 : x - Step 2: Convert to fraction form
203,261.14/280,547.04 = 135,281.02/x - Step 3: Cross multiply
203,261.14x = 280,547.04 × 135,281.02 - Step 4: Simplify right side
203,261.14x = 37,952,689,729.18 - Step 5: Solve for x
x = 37,952,689,729.18/203,261.14 - Step 6: Final answer
x = 186,718.87
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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.