Finding the Fourth Proportional to 438,688.08, 658,304.28 and 202,064.40
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Solution
The fourth proportional to 438,688.08, 658,304.28 and 202,064.40 is: 303,221.96
Step by Step Solution
- Step 1: Write the proportion equation
438,688.08 : 658,304.28 = 202,064.40 : x - Step 2: Convert to fraction form
438,688.08/658,304.28 = 202,064.40/x - Step 3: Cross multiply
438,688.08x = 658,304.28 × 202,064.40 - Step 4: Simplify right side
438,688.08x = 133,019,859,355.63 - Step 5: Solve for x
x = 133,019,859,355.63/438,688.08 - Step 6: Final answer
x = 303,221.96
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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.