Finding the Fourth Proportional to 104,485.68, 157,499.64 and 98,389.08
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Solution
The fourth proportional to 104,485.68, 157,499.64 and 98,389.08 is: 148,309.75
Step by Step Solution
- Step 1: Write the proportion equation
104,485.68 : 157,499.64 = 98,389.08 : x - Step 2: Convert to fraction form
104,485.68/157,499.64 = 98,389.08/x - Step 3: Cross multiply
104,485.68x = 157,499.64 × 98,389.08 - Step 4: Simplify right side
104,485.68x = 15,496,244,679.93 - Step 5: Solve for x
x = 15,496,244,679.93/104,485.68 - Step 6: Final answer
x = 148,309.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.