Finding the Fourth Proportional to 258,039.84, 386,366.00 and 210,458.63
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Solution
The fourth proportional to 258,039.84, 386,366.00 and 210,458.63 is: 315,122.10
Step by Step Solution
- Step 1: Write the proportion equation
258,039.84 : 386,366.00 = 210,458.63 : x - Step 2: Convert to fraction form
258,039.84/386,366.00 = 210,458.63/x - Step 3: Cross multiply
258,039.84x = 386,366.00 × 210,458.63 - Step 4: Simplify right side
258,039.84x = 81,314,056,054.46 - Step 5: Solve for x
x = 81,314,056,054.46/258,039.84 - Step 6: Final answer
x = 315,122.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.