Finding the Fourth Proportional to 315,576.74, 473,369.29 and 105,214.74
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Solution
The fourth proportional to 315,576.74, 473,369.29 and 105,214.74 is: 157,823.50
Step by Step Solution
- Step 1: Write the proportion equation
315,576.74 : 473,369.29 = 105,214.74 : x - Step 2: Convert to fraction form
315,576.74/473,369.29 = 105,214.74/x - Step 3: Cross multiply
315,576.74x = 473,369.29 × 105,214.74 - Step 4: Simplify right side
315,576.74x = 49,805,426,245.26 - Step 5: Solve for x
x = 49,805,426,245.26/315,576.74 - Step 6: Final answer
x = 157,823.50
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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.