Finding the Fourth Proportional to 143,224.24, 197,655.06 and 97,997.08
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Solution
The fourth proportional to 143,224.24, 197,655.06 and 97,997.08 is: 135,239.81
Step by Step Solution
- Step 1: Write the proportion equation
143,224.24 : 197,655.06 = 97,997.08 : x - Step 2: Convert to fraction form
143,224.24/197,655.06 = 97,997.08/x - Step 3: Cross multiply
143,224.24x = 197,655.06 × 97,997.08 - Step 4: Simplify right side
143,224.24x = 19,369,618,727.22 - Step 5: Solve for x
x = 19,369,618,727.22/143,224.24 - Step 6: Final answer
x = 135,239.81
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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.