Finding the Fourth Proportional to 307,286,382.01, 424,029,572.23 and 173,316,915.65
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Solution
The fourth proportional to 307,286,382.01, 424,029,572.23 and 173,316,915.65 is: 239,162,884.87
Step by Step Solution
- Step 1: Write the proportion equation
307,286,382.01 : 424,029,572.23 = 173,316,915.65 : x - Step 2: Convert to fraction form
307,286,382.01/424,029,572.23 = 173,316,915.65/x - Step 3: Cross multiply
307,286,382.01x = 424,029,572.23 × 173,316,915.65 - Step 4: Simplify right side
307,286,382.01x = 73,491,497,602,425,920 - Step 5: Solve for x
x = 73,491,497,602,425,920/307,286,382.01 - Step 6: Final answer
x = 239,162,884.87
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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.