Finding the Fourth Proportional to 418,777.88, 577,913.74 and 237,431.84
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Solution
The fourth proportional to 418,777.88, 577,913.74 and 237,431.84 is: 327,656.09
Step by Step Solution
- Step 1: Write the proportion equation
418,777.88 : 577,913.74 = 237,431.84 : x - Step 2: Convert to fraction form
418,777.88/577,913.74 = 237,431.84/x - Step 3: Cross multiply
418,777.88x = 577,913.74 × 237,431.84 - Step 4: Simplify right side
418,777.88x = 137,215,119,166.33 - Step 5: Solve for x
x = 137,215,119,166.33/418,777.88 - Step 6: Final answer
x = 327,656.09
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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.