Finding the Fourth Proportional to 276,260.10, 381,232.62 and 168,829.80
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Solution
The fourth proportional to 276,260.10, 381,232.62 and 168,829.80 is: 232,981.26
Step by Step Solution
- Step 1: Write the proportion equation
276,260.10 : 381,232.62 = 168,829.80 : x - Step 2: Convert to fraction form
276,260.10/381,232.62 = 168,829.80/x - Step 3: Cross multiply
276,260.10x = 381,232.62 × 168,829.80 - Step 4: Simplify right side
276,260.10x = 64,363,426,988.08 - Step 5: Solve for x
x = 64,363,426,988.08/276,260.10 - Step 6: Final answer
x = 232,981.26
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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.