Finding the Fourth Proportional to 218,802.24, 328,203.36 and 61,030.44
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Solution
The fourth proportional to 218,802.24, 328,203.36 and 61,030.44 is: 91,545.66
Step by Step Solution
- Step 1: Write the proportion equation
218,802.24 : 328,203.36 = 61,030.44 : x - Step 2: Convert to fraction form
218,802.24/328,203.36 = 61,030.44/x - Step 3: Cross multiply
218,802.24x = 328,203.36 × 61,030.44 - Step 4: Simplify right side
218,802.24x = 20,030,395,470.28 - Step 5: Solve for x
x = 20,030,395,470.28/218,802.24 - Step 6: Final answer
x = 91,545.66
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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.