Finding the Fourth Proportional to 418,602.87, 577,659.87 and 237,331.62
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Solution
The fourth proportional to 418,602.87, 577,659.87 and 237,331.62 is: 327,510.78
Step by Step Solution
- Step 1: Write the proportion equation
418,602.87 : 577,659.87 = 237,331.62 : x - Step 2: Convert to fraction form
418,602.87/577,659.87 = 237,331.62/x - Step 3: Cross multiply
418,602.87x = 577,659.87 × 237,331.62 - Step 4: Simplify right side
418,602.87x = 137,096,952,756.09 - Step 5: Solve for x
x = 137,096,952,756.09/418,602.87 - Step 6: Final answer
x = 327,510.78
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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.