Finding the Fourth Proportional to 245,580.53, 338,897.52 and 138,150.63
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Solution
The fourth proportional to 245,580.53, 338,897.52 and 138,150.63 is: 190,645.84
Step by Step Solution
- Step 1: Write the proportion equation
245,580.53 : 338,897.52 = 138,150.63 : x - Step 2: Convert to fraction form
245,580.53/338,897.52 = 138,150.63/x - Step 3: Cross multiply
245,580.53x = 338,897.52 × 138,150.63 - Step 4: Simplify right side
245,580.53x = 46,818,905,893.44 - Step 5: Solve for x
x = 46,818,905,893.44/245,580.53 - Step 6: Final answer
x = 190,645.84
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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.