Finding the Fourth Proportional to 460,102.80, 690,186.60 and 260,518.80
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Solution
The fourth proportional to 460,102.80, 690,186.60 and 260,518.80 is: 390,796.55
Step by Step Solution
- Step 1: Write the proportion equation
460,102.80 : 690,186.60 = 260,518.80 : x - Step 2: Convert to fraction form
460,102.80/690,186.60 = 260,518.80/x - Step 3: Cross multiply
460,102.80x = 690,186.60 × 260,518.80 - Step 4: Simplify right side
460,102.80x = 179,806,584,808.08 - Step 5: Solve for x
x = 179,806,584,808.08/460,102.80 - Step 6: Final answer
x = 390,796.55
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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.