Finding the Fourth Proportional to 371,496.40, 512,670.99 and 210,347.14
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Solution
The fourth proportional to 371,496.40, 512,670.99 and 210,347.14 is: 290,282.43
Step by Step Solution
- Step 1: Write the proportion equation
371,496.40 : 512,670.99 = 210,347.14 : x - Step 2: Convert to fraction form
371,496.40/512,670.99 = 210,347.14/x - Step 3: Cross multiply
371,496.40x = 512,670.99 × 210,347.14 - Step 4: Simplify right side
371,496.40x = 107,838,876,507.47 - Step 5: Solve for x
x = 107,838,876,507.47/371,496.40 - Step 6: Final answer
x = 290,282.43
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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.