Finding the Fourth Proportional to 485,406.50, 728,437.77 and 169,866.14
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Solution
The fourth proportional to 485,406.50, 728,437.77 and 169,866.14 is: 254,913.99
Step by Step Solution
- Step 1: Write the proportion equation
485,406.50 : 728,437.77 = 169,866.14 : x - Step 2: Convert to fraction form
485,406.50/728,437.77 = 169,866.14/x - Step 3: Cross multiply
485,406.50x = 728,437.77 × 169,866.14 - Step 4: Simplify right side
485,406.50x = 123,736,908,577.92 - Step 5: Solve for x
x = 123,736,908,577.92/485,406.50 - Step 6: Final answer
x = 254,913.99
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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.