Finding the Fourth Proportional to 515,548.58, 711,457.43 and 286,106.02
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Solution
The fourth proportional to 515,548.58, 711,457.43 and 286,106.02 is: 394,826.52
Step by Step Solution
- Step 1: Write the proportion equation
515,548.58 : 711,457.43 = 286,106.02 : x - Step 2: Convert to fraction form
515,548.58/711,457.43 = 286,106.02/x - Step 3: Cross multiply
515,548.58x = 711,457.43 × 286,106.02 - Step 4: Simplify right side
515,548.58x = 203,552,253,696.73 - Step 5: Solve for x
x = 203,552,253,696.73/515,548.58 - Step 6: Final answer
x = 394,826.52
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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.