Finding the Fourth Proportional to 402,703.36, 602,740.68 and 296,059.12
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Solution
The fourth proportional to 402,703.36, 602,740.68 and 296,059.12 is: 443,122.39
Step by Step Solution
- Step 1: Write the proportion equation
402,703.36 : 602,740.68 = 296,059.12 : x - Step 2: Convert to fraction form
402,703.36/602,740.68 = 296,059.12/x - Step 3: Cross multiply
402,703.36x = 602,740.68 × 296,059.12 - Step 4: Simplify right side
402,703.36x = 178,446,875,309.00 - Step 5: Solve for x
x = 178,446,875,309.00/402,703.36 - Step 6: Final answer
x = 443,122.39
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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.