Finding the Fourth Proportional to 386,675.00, 579,874.07 and 133,887.63
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Solution
The fourth proportional to 386,675.00, 579,874.07 and 133,887.63 is: 200,783.51
Step by Step Solution
- Step 1: Write the proportion equation
386,675.00 : 579,874.07 = 133,887.63 : x - Step 2: Convert to fraction form
386,675.00/579,874.07 = 133,887.63/x - Step 3: Cross multiply
386,675.00x = 579,874.07 × 133,887.63 - Step 4: Simplify right side
386,675.00x = 77,637,964,261.32 - Step 5: Solve for x
x = 77,637,964,261.32/386,675.00 - Step 6: Final answer
x = 200,783.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.