Finding the Fourth Proportional to 346,577.07, 478,076.80 and 208,660.11
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Solution
The fourth proportional to 346,577.07, 478,076.80 and 208,660.11 is: 287,830.80
Step by Step Solution
- Step 1: Write the proportion equation
346,577.07 : 478,076.80 = 208,660.11 : x - Step 2: Convert to fraction form
346,577.07/478,076.80 = 208,660.11/x - Step 3: Cross multiply
346,577.07x = 478,076.80 × 208,660.11 - Step 4: Simplify right side
346,577.07x = 99,755,554,764.41 - Step 5: Solve for x
x = 99,755,554,764.41/346,577.07 - Step 6: Final answer
x = 287,830.80
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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.