Finding the Fourth Proportional to 310,453.94, 465,291.35 and 132,751.99
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Solution
The fourth proportional to 310,453.94, 465,291.35 and 132,751.99 is: 198,961.40
Step by Step Solution
- Step 1: Write the proportion equation
310,453.94 : 465,291.35 = 132,751.99 : x - Step 2: Convert to fraction form
310,453.94/465,291.35 = 132,751.99/x - Step 3: Cross multiply
310,453.94x = 465,291.35 × 132,751.99 - Step 4: Simplify right side
310,453.94x = 61,768,351,810.94 - Step 5: Solve for x
x = 61,768,351,810.94/310,453.94 - Step 6: Final answer
x = 198,961.40
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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.