Finding the Fourth Proportional to 434,369.08, 599,412.54 and 243,372.88
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Solution
The fourth proportional to 434,369.08, 599,412.54 and 243,372.88 is: 335,845.17
Step by Step Solution
- Step 1: Write the proportion equation
434,369.08 : 599,412.54 = 243,372.88 : x - Step 2: Convert to fraction form
434,369.08/599,412.54 = 243,372.88/x - Step 3: Cross multiply
434,369.08x = 599,412.54 × 243,372.88 - Step 4: Simplify right side
434,369.08x = 145,880,756,167.92 - Step 5: Solve for x
x = 145,880,756,167.92/434,369.08 - Step 6: Final answer
x = 335,845.17
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1.5x scale
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.