Finding the Fourth Proportional to 418,424.54, 577,406.88 and 237,125.88
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Solution
The fourth proportional to 418,424.54, 577,406.88 and 237,125.88 is: 327,222.96
Step by Step Solution
- Step 1: Write the proportion equation
418,424.54 : 577,406.88 = 237,125.88 : x - Step 2: Convert to fraction form
418,424.54/577,406.88 = 237,125.88/x - Step 3: Cross multiply
418,424.54x = 577,406.88 × 237,125.88 - Step 4: Simplify right side
418,424.54x = 136,918,114,538.05 - Step 5: Solve for x
x = 136,918,114,538.05/418,424.54 - Step 6: Final answer
x = 327,222.96
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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.