Finding the Fourth Proportional to 276,904.08, 382,127.80 and 149,579.70
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Solution
The fourth proportional to 276,904.08, 382,127.80 and 149,579.70 is: 206,420.08
Step by Step Solution
- Step 1: Write the proportion equation
276,904.08 : 382,127.80 = 149,579.70 : x - Step 2: Convert to fraction form
276,904.08/382,127.80 = 149,579.70/x - Step 3: Cross multiply
276,904.08x = 382,127.80 × 149,579.70 - Step 4: Simplify right side
276,904.08x = 57,158,561,685.66 - Step 5: Solve for x
x = 57,158,561,685.66/276,904.08 - Step 6: Final answer
x = 206,420.08
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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.