Finding the Fourth Proportional to 276,837.08, 415,276.07 and 99,345.62
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Solution
The fourth proportional to 276,837.08, 415,276.07 and 99,345.62 is: 149,025.77
Step by Step Solution
- Step 1: Write the proportion equation
276,837.08 : 415,276.07 = 99,345.62 : x - Step 2: Convert to fraction form
276,837.08/415,276.07 = 99,345.62/x - Step 3: Cross multiply
276,837.08x = 415,276.07 × 99,345.62 - Step 4: Simplify right side
276,837.08x = 41,255,859,186.78 - Step 5: Solve for x
x = 41,255,859,186.78/276,837.08 - Step 6: Final answer
x = 149,025.77
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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.