Finding the Fourth Proportional to 328,656.48, 453,559.68 and 207,754.26
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Solution
The fourth proportional to 328,656.48, 453,559.68 and 207,754.26 is: 286,709.56
Step by Step Solution
- Step 1: Write the proportion equation
328,656.48 : 453,559.68 = 207,754.26 : x - Step 2: Convert to fraction form
328,656.48/453,559.68 = 207,754.26/x - Step 3: Cross multiply
328,656.48x = 453,559.68 × 207,754.26 - Step 4: Simplify right side
328,656.48x = 94,228,955,684.24 - Step 5: Solve for x
x = 94,228,955,684.24/328,656.48 - Step 6: Final answer
x = 286,709.56
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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.