Finding the Fourth Proportional to 268,563.69, 402,871.84 and 97,831.80
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Solution
The fourth proportional to 268,563.69, 402,871.84 and 97,831.80 is: 146,757.28
Step by Step Solution
- Step 1: Write the proportion equation
268,563.69 : 402,871.84 = 97,831.80 : x - Step 2: Convert to fraction form
268,563.69/402,871.84 = 97,831.80/x - Step 3: Cross multiply
268,563.69x = 402,871.84 × 97,831.80 - Step 4: Simplify right side
268,563.69x = 39,413,677,031.93 - Step 5: Solve for x
x = 39,413,677,031.93/268,563.69 - Step 6: Final answer
x = 146,757.28
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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.