Finding the Fourth Proportional to 197,483.47, 272,536.99 and 121,006.81
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Solution
The fourth proportional to 197,483.47, 272,536.99 and 121,006.81 is: 166,995.41
Step by Step Solution
- Step 1: Write the proportion equation
197,483.47 : 272,536.99 = 121,006.81 : x - Step 2: Convert to fraction form
197,483.47/272,536.99 = 121,006.81/x - Step 3: Cross multiply
197,483.47x = 272,536.99 × 121,006.81 - Step 4: Simplify right side
197,483.47x = 32,978,831,805.06 - Step 5: Solve for x
x = 32,978,831,805.06/197,483.47 - Step 6: Final answer
x = 166,995.41
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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.