Finding the Fourth Proportional to 310,464.03, 465,306.50 and 132,762.09
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Solution
The fourth proportional to 310,464.03, 465,306.50 and 132,762.09 is: 198,976.55
Step by Step Solution
- Step 1: Write the proportion equation
310,464.03 : 465,306.50 = 132,762.09 : x - Step 2: Convert to fraction form
310,464.03/465,306.50 = 132,762.09/x - Step 3: Cross multiply
310,464.03x = 465,306.50 × 132,762.09 - Step 4: Simplify right side
310,464.03x = 61,775,062,766.77 - Step 5: Solve for x
x = 61,775,062,766.77/310,464.03 - Step 6: Final answer
x = 198,976.55
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1.5x scale
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.