Finding the Fourth Proportional to 551,729.71, 827,604.97 and 152,381.08
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Solution
The fourth proportional to 551,729.71, 827,604.97 and 152,381.08 is: 228,574.49
Step by Step Solution
- Step 1: Write the proportion equation
551,729.71 : 827,604.97 = 152,381.08 : x - Step 2: Convert to fraction form
551,729.71/827,604.97 = 152,381.08/x - Step 3: Cross multiply
551,729.71x = 827,604.97 × 152,381.08 - Step 4: Simplify right side
551,729.71x = 126,111,336,692.00 - Step 5: Solve for x
x = 126,111,336,692.00/551,729.71 - Step 6: Final answer
x = 228,574.49
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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.