Finding the Fourth Proportional to 517,716.48, 714,277.50 and 302,704.31
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Solution
The fourth proportional to 517,716.48, 714,277.50 and 302,704.31 is: 417,631.82
Step by Step Solution
- Step 1: Write the proportion equation
517,716.48 : 714,277.50 = 302,704.31 : x - Step 2: Convert to fraction form
517,716.48/714,277.50 = 302,704.31/x - Step 3: Cross multiply
517,716.48x = 714,277.50 × 302,704.31 - Step 4: Simplify right side
517,716.48x = 216,214,877,786.03 - Step 5: Solve for x
x = 216,214,877,786.03/517,716.48 - Step 6: Final answer
x = 417,631.82
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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.