Finding the Fourth Proportional to 697,569.84, 1,046,327.22 and 198,933.84
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Solution
The fourth proportional to 697,569.84, 1,046,327.22 and 198,933.84 is: 298,392.91
Step by Step Solution
- Step 1: Write the proportion equation
697,569.84 : 1,046,327.22 = 198,933.84 : x - Step 2: Convert to fraction form
697,569.84/1,046,327.22 = 198,933.84/x - Step 3: Cross multiply
697,569.84x = 1,046,327.22 × 198,933.84 - Step 4: Simplify right side
697,569.84x = 208,149,891,771.13 - Step 5: Solve for x
x = 208,149,891,771.13/697,569.84 - Step 6: Final answer
x = 298,392.91
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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.