Finding the Fourth Proportional to 756,685.14, 1,135,031.81 and 224,210.78
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Solution
The fourth proportional to 756,685.14, 1,135,031.81 and 224,210.78 is: 336,317.38
Step by Step Solution
- Step 1: Write the proportion equation
756,685.14 : 1,135,031.81 = 224,210.78 : x - Step 2: Convert to fraction form
756,685.14/1,135,031.81 = 224,210.78/x - Step 3: Cross multiply
756,685.14x = 1,135,031.81 × 224,210.78 - Step 4: Simplify right side
756,685.14x = 254,486,364,905.07 - Step 5: Solve for x
x = 254,486,364,905.07/756,685.14 - Step 6: Final answer
x = 336,317.38
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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.