Finding the Fourth Proportional to 190,363.08, 262,701.18 and 105,481.56
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Solution
The fourth proportional to 190,363.08, 262,701.18 and 105,481.56 is: 145,564.62
Step by Step Solution
- Step 1: Write the proportion equation
190,363.08 : 262,701.18 = 105,481.56 : x - Step 2: Convert to fraction form
190,363.08/262,701.18 = 105,481.56/x - Step 3: Cross multiply
190,363.08x = 262,701.18 × 105,481.56 - Step 4: Simplify right side
190,363.08x = 27,710,130,280.24 - Step 5: Solve for x
x = 27,710,130,280.24/190,363.08 - Step 6: Final answer
x = 145,564.62
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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.