Finding the Fourth Proportional to 276,403.19, 413,774.19 and 247,530.60
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Solution
The fourth proportional to 276,403.19, 413,774.19 and 247,530.60 is: 370,552.07
Step by Step Solution
- Step 1: Write the proportion equation
276,403.19 : 413,774.19 = 247,530.60 : x - Step 2: Convert to fraction form
276,403.19/413,774.19 = 247,530.60/x - Step 3: Cross multiply
276,403.19x = 413,774.19 × 247,530.60 - Step 4: Simplify right side
276,403.19x = 102,421,773,515.21 - Step 5: Solve for x
x = 102,421,773,515.21/276,403.19 - Step 6: Final answer
x = 370,552.07
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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.