Finding the Fourth Proportional to 197,643.63, 272,490.84 and 125,997.51
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Solution
The fourth proportional to 197,643.63, 272,490.84 and 125,997.51 is: 173,712.49
Step by Step Solution
- Step 1: Write the proportion equation
197,643.63 : 272,490.84 = 125,997.51 : x - Step 2: Convert to fraction form
197,643.63/272,490.84 = 125,997.51/x - Step 3: Cross multiply
197,643.63x = 272,490.84 × 125,997.51 - Step 4: Simplify right side
197,643.63x = 34,333,167,337.81 - Step 5: Solve for x
x = 34,333,167,337.81/197,643.63 - Step 6: Final answer
x = 173,712.49
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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.