Finding the Fourth Proportional to 349,804.80, 524,959.36 and 139,320.96
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Solution
The fourth proportional to 349,804.80, 524,959.36 and 139,320.96 is: 209,081.87
Step by Step Solution
- Step 1: Write the proportion equation
349,804.80 : 524,959.36 = 139,320.96 : x - Step 2: Convert to fraction form
349,804.80/524,959.36 = 139,320.96/x - Step 3: Cross multiply
349,804.80x = 524,959.36 × 139,320.96 - Step 4: Simplify right side
349,804.80x = 73,137,841,996.19 - Step 5: Solve for x
x = 73,137,841,996.19/349,804.80 - Step 6: Final answer
x = 209,081.87
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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.