Finding the Fourth Proportional to 371,489.36, 512,655.62 and 210,344.66
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Solution
The fourth proportional to 371,489.36, 512,655.62 and 210,344.66 is: 290,275.80
Step by Step Solution
- Step 1: Write the proportion equation
371,489.36 : 512,655.62 = 210,344.66 : x - Step 2: Convert to fraction form
371,489.36/512,655.62 = 210,344.66/x - Step 3: Cross multiply
371,489.36x = 512,655.62 × 210,344.66 - Step 4: Simplify right side
371,489.36x = 107,834,370,393.45 - Step 5: Solve for x
x = 107,834,370,393.45/371,489.36 - Step 6: Final answer
x = 290,275.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.