Finding the Fourth Proportional to 463,724.16, 639,963.12 and 259,762.80
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Solution
The fourth proportional to 463,724.16, 639,963.12 and 259,762.80 is: 358,485.98
Step by Step Solution
- Step 1: Write the proportion equation
463,724.16 : 639,963.12 = 259,762.80 : x - Step 2: Convert to fraction form
463,724.16/639,963.12 = 259,762.80/x - Step 3: Cross multiply
463,724.16x = 639,963.12 × 259,762.80 - Step 4: Simplify right side
463,724.16x = 166,238,611,947.94 - Step 5: Solve for x
x = 166,238,611,947.94/463,724.16 - Step 6: Final answer
x = 358,485.98
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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.