Finding the Fourth Proportional to 576,638.09, 864,633.18 and 239,451.90
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Solution
The fourth proportional to 576,638.09, 864,633.18 and 239,451.90 is: 359,043.32
Step by Step Solution
- Step 1: Write the proportion equation
576,638.09 : 864,633.18 = 239,451.90 : x - Step 2: Convert to fraction form
576,638.09/864,633.18 = 239,451.90/x - Step 3: Cross multiply
576,638.09x = 864,633.18 × 239,451.90 - Step 4: Simplify right side
576,638.09x = 207,038,055,409.61 - Step 5: Solve for x
x = 207,038,055,409.61/576,638.09 - Step 6: Final answer
x = 359,043.32
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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.