Finding the Fourth Proportional to 107,790.08, 148,750.36 and 62,494.44
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Solution
The fourth proportional to 107,790.08, 148,750.36 and 62,494.44 is: 86,242.36
Step by Step Solution
- Step 1: Write the proportion equation
107,790.08 : 148,750.36 = 62,494.44 : x - Step 2: Convert to fraction form
107,790.08/148,750.36 = 62,494.44/x - Step 3: Cross multiply
107,790.08x = 148,750.36 × 62,494.44 - Step 4: Simplify right side
107,790.08x = 9,296,070,448.00 - Step 5: Solve for x
x = 9,296,070,448.00/107,790.08 - Step 6: Final answer
x = 86,242.36
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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.