Finding the Fourth Proportional to 245,970.48, 369,007.56 and 79,745.52
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Solution
The fourth proportional to 245,970.48, 369,007.56 and 79,745.52 is: 119,635.09
Step by Step Solution
- Step 1: Write the proportion equation
245,970.48 : 369,007.56 = 79,745.52 : x - Step 2: Convert to fraction form
245,970.48/369,007.56 = 79,745.52/x - Step 3: Cross multiply
245,970.48x = 369,007.56 × 79,745.52 - Step 4: Simplify right side
245,970.48x = 29,426,699,756.13 - Step 5: Solve for x
x = 29,426,699,756.13/245,970.48 - Step 6: Final answer
x = 119,635.09
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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.