Finding the Fourth Proportional to 228,675.08, 315,681.30 and 160,750.28
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Solution
The fourth proportional to 228,675.08, 315,681.30 and 160,750.28 is: 221,912.49
Step by Step Solution
- Step 1: Write the proportion equation
228,675.08 : 315,681.30 = 160,750.28 : x - Step 2: Convert to fraction form
228,675.08/315,681.30 = 160,750.28/x - Step 3: Cross multiply
228,675.08x = 315,681.30 × 160,750.28 - Step 4: Simplify right side
228,675.08x = 50,745,857,365.76 - Step 5: Solve for x
x = 50,745,857,365.76/228,675.08 - Step 6: Final answer
x = 221,912.49
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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.