Finding the Fourth Proportional to 369,035.68, 509,354.64 and 216,146.08
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Solution
The fourth proportional to 369,035.68, 509,354.64 and 216,146.08 is: 298,331.61
Step by Step Solution
- Step 1: Write the proportion equation
369,035.68 : 509,354.64 = 216,146.08 : x - Step 2: Convert to fraction form
369,035.68/509,354.64 = 216,146.08/x - Step 3: Cross multiply
369,035.68x = 509,354.64 × 216,146.08 - Step 4: Simplify right side
369,035.68x = 110,095,008,765.81 - Step 5: Solve for x
x = 110,095,008,765.81/369,035.68 - Step 6: Final answer
x = 298,331.61
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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.