Finding the Fourth Proportional to 633,088.62, 873,659.94 and 361,156.02
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Solution
The fourth proportional to 633,088.62, 873,659.94 and 361,156.02 is: 498,393.96
Step by Step Solution
- Step 1: Write the proportion equation
633,088.62 : 873,659.94 = 361,156.02 : x - Step 2: Convert to fraction form
633,088.62/873,659.94 = 361,156.02/x - Step 3: Cross multiply
633,088.62x = 873,659.94 × 361,156.02 - Step 4: Simplify right side
633,088.62x = 315,527,546,763.84 - Step 5: Solve for x
x = 315,527,546,763.84/633,088.62 - Step 6: Final answer
x = 498,393.96
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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.