Finding the Fourth Proportional to 663,187.80, 994,781.70 and 164,551.80
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Solution
The fourth proportional to 663,187.80, 994,781.70 and 164,551.80 is: 246,827.70
Step by Step Solution
- Step 1: Write the proportion equation
663,187.80 : 994,781.70 = 164,551.80 : x - Step 2: Convert to fraction form
663,187.80/994,781.70 = 164,551.80/x - Step 3: Cross multiply
663,187.80x = 994,781.70 × 164,551.80 - Step 4: Simplify right side
663,187.80x = 163,693,119,342.06 - Step 5: Solve for x
x = 163,693,119,342.06/663,187.80 - Step 6: Final answer
x = 246,827.70
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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.