Finding the Fourth Proportional to 313,350.49, 432,006.09 and 249,034.48
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Solution
The fourth proportional to 313,350.49, 432,006.09 and 249,034.48 is: 343,335.71
Step by Step Solution
- Step 1: Write the proportion equation
313,350.49 : 432,006.09 = 249,034.48 : x - Step 2: Convert to fraction form
313,350.49/432,006.09 = 249,034.48/x - Step 3: Cross multiply
313,350.49x = 432,006.09 × 249,034.48 - Step 4: Simplify right side
313,350.49x = 107,584,411,979.98 - Step 5: Solve for x
x = 107,584,411,979.98/313,350.49 - Step 6: Final answer
x = 343,335.71
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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.