Finding the Fourth Proportional to 487,308.96, 672,495.21 and 272,426.09
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Solution
The fourth proportional to 487,308.96, 672,495.21 and 272,426.09 is: 375,952.94
Step by Step Solution
- Step 1: Write the proportion equation
487,308.96 : 672,495.21 = 272,426.09 : x - Step 2: Convert to fraction form
487,308.96/672,495.21 = 272,426.09/x - Step 3: Cross multiply
487,308.96x = 672,495.21 × 272,426.09 - Step 4: Simplify right side
487,308.96x = 183,205,237,241.55 - Step 5: Solve for x
x = 183,205,237,241.55/487,308.96 - Step 6: Final answer
x = 375,952.94
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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.