Finding the Fourth Proportional to 283,176.65, 390,801.20 and 162,336.09
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Solution
The fourth proportional to 283,176.65, 390,801.20 and 162,336.09 is: 224,033.79
Step by Step Solution
- Step 1: Write the proportion equation
283,176.65 : 390,801.20 = 162,336.09 : x - Step 2: Convert to fraction form
283,176.65/390,801.20 = 162,336.09/x - Step 3: Cross multiply
283,176.65x = 390,801.20 × 162,336.09 - Step 4: Simplify right side
283,176.65x = 63,441,137,963.63 - Step 5: Solve for x
x = 63,441,137,963.63/283,176.65 - Step 6: Final answer
x = 224,033.79
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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.