Finding the Fourth Proportional to 264,530.40, 396,795.60 and 260,593.80
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Solution
The fourth proportional to 264,530.40, 396,795.60 and 260,593.80 is: 390,890.70
Step by Step Solution
- Step 1: Write the proportion equation
264,530.40 : 396,795.60 = 260,593.80 : x - Step 2: Convert to fraction form
264,530.40/396,795.60 = 260,593.80/x - Step 3: Cross multiply
264,530.40x = 396,795.60 × 260,593.80 - Step 4: Simplify right side
264,530.40x = 103,402,473,227.28 - Step 5: Solve for x
x = 103,402,473,227.28/264,530.40 - Step 6: Final answer
x = 390,890.70
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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.