Finding the Fourth Proportional to 276,035.67, 414,140.99 and 98,538.75
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Solution
The fourth proportional to 276,035.67, 414,140.99 and 98,538.75 is: 147,839.35
Step by Step Solution
- Step 1: Write the proportion equation
276,035.67 : 414,140.99 = 98,538.75 : x - Step 2: Convert to fraction form
276,035.67/414,140.99 = 98,538.75/x - Step 3: Cross multiply
276,035.67x = 414,140.99 × 98,538.75 - Step 4: Simplify right side
276,035.67x = 40,808,934,985.67 - Step 5: Solve for x
x = 40,808,934,985.67/276,035.67 - Step 6: Final answer
x = 147,839.35
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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.