Finding the Fourth Proportional to 438,207.30, 657,567.90 and 185,472.09
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Solution
The fourth proportional to 438,207.30, 657,567.90 and 185,472.09 is: 278,316.89
Step by Step Solution
- Step 1: Write the proportion equation
438,207.30 : 657,567.90 = 185,472.09 : x - Step 2: Convert to fraction form
438,207.30/657,567.90 = 185,472.09/x - Step 3: Cross multiply
438,207.30x = 657,567.90 × 185,472.09 - Step 4: Simplify right side
438,207.30x = 121,960,492,729.91 - Step 5: Solve for x
x = 121,960,492,729.91/438,207.30 - Step 6: Final answer
x = 278,316.89
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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.