Finding the Fourth Proportional to 298,347.60, 411,763.08 and 167,539.95
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Solution
The fourth proportional to 298,347.60, 411,763.08 and 167,539.95 is: 231,229.50
Step by Step Solution
- Step 1: Write the proportion equation
298,347.60 : 411,763.08 = 167,539.95 : x - Step 2: Convert to fraction form
298,347.60/411,763.08 = 167,539.95/x - Step 3: Cross multiply
298,347.60x = 411,763.08 × 167,539.95 - Step 4: Simplify right side
298,347.60x = 68,986,765,835.05 - Step 5: Solve for x
x = 68,986,765,835.05/298,347.60 - Step 6: Final answer
x = 231,229.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.