Finding the Fourth Proportional to 642,412.08, 963,290.01 and 237,583.80
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Solution
The fourth proportional to 642,412.08, 963,290.01 and 237,583.80 is: 356,254.35
Step by Step Solution
- Step 1: Write the proportion equation
642,412.08 : 963,290.01 = 237,583.80 : x - Step 2: Convert to fraction form
642,412.08/963,290.01 = 237,583.80/x - Step 3: Cross multiply
642,412.08x = 963,290.01 × 237,583.80 - Step 4: Simplify right side
642,412.08x = 228,862,101,077.84 - Step 5: Solve for x
x = 228,862,101,077.84/642,412.08 - Step 6: Final answer
x = 356,254.35
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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.