Finding the Fourth Proportional to 171,918.54, 257,876.65 and 93,530.99
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Solution
The fourth proportional to 171,918.54, 257,876.65 and 93,530.99 is: 140,295.86
Step by Step Solution
- Step 1: Write the proportion equation
171,918.54 : 257,876.65 = 93,530.99 : x - Step 2: Convert to fraction form
171,918.54/257,876.65 = 93,530.99/x - Step 3: Cross multiply
171,918.54x = 257,876.65 × 93,530.99 - Step 4: Simplify right side
171,918.54x = 24,119,459,133.99 - Step 5: Solve for x
x = 24,119,459,133.99/171,918.54 - Step 6: Final answer
x = 140,295.86
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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.