Finding the Fourth Proportional to 276,435.95, 381,386.14 and 167,575.19
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Solution
The fourth proportional to 276,435.95, 381,386.14 and 167,575.19 is: 231,195.88
Step by Step Solution
- Step 1: Write the proportion equation
276,435.95 : 381,386.14 = 167,575.19 : x - Step 2: Convert to fraction form
276,435.95/381,386.14 = 167,575.19/x - Step 3: Cross multiply
276,435.95x = 381,386.14 × 167,575.19 - Step 4: Simplify right side
276,435.95x = 63,910,852,548.00 - Step 5: Solve for x
x = 63,910,852,548.00/276,435.95 - Step 6: Final answer
x = 231,195.88
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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.