Finding the Fourth Proportional to 611,424.84, 916,841.00 and 256,343.52
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Solution
The fourth proportional to 611,424.84, 916,841.00 and 256,343.52 is: 384,391.07
Step by Step Solution
- Step 1: Write the proportion equation
611,424.84 : 916,841.00 = 256,343.52 : x - Step 2: Convert to fraction form
611,424.84/916,841.00 = 256,343.52/x - Step 3: Cross multiply
611,424.84x = 916,841.00 × 256,343.52 - Step 4: Simplify right side
611,424.84x = 235,026,247,938.60 - Step 5: Solve for x
x = 235,026,247,938.60/611,424.84 - Step 6: Final answer
x = 384,391.07
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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.