Finding the Fourth Proportional to 276,326.75, 381,330.93 and 157,094.75
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Solution
The fourth proportional to 276,326.75, 381,330.93 and 157,094.75 is: 216,790.76
Step by Step Solution
- Step 1: Write the proportion equation
276,326.75 : 381,330.93 = 157,094.75 : x - Step 2: Convert to fraction form
276,326.75/381,330.93 = 157,094.75/x - Step 3: Cross multiply
276,326.75x = 381,330.93 × 157,094.75 - Step 4: Simplify right side
276,326.75x = 59,905,087,115.62 - Step 5: Solve for x
x = 59,905,087,115.62/276,326.75 - Step 6: Final answer
x = 216,790.76
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1.5x scale
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.