Finding the Fourth Proportional to 576,438.15, 864,688.69 and 239,512.87
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Solution
The fourth proportional to 576,438.15, 864,688.69 and 239,512.87 is: 359,282.39
Step by Step Solution
- Step 1: Write the proportion equation
576,438.15 : 864,688.69 = 239,512.87 : x - Step 2: Convert to fraction form
576,438.15/864,688.69 = 239,512.87/x - Step 3: Cross multiply
576,438.15x = 864,688.69 × 239,512.87 - Step 4: Simplify right side
576,438.15x = 207,104,074,284.26 - Step 5: Solve for x
x = 207,104,074,284.26/576,438.15 - Step 6: Final answer
x = 359,282.39
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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.