Finding the Fourth Proportional to 315,681.29, 473,399.09 and 102,397.62
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Solution
The fourth proportional to 315,681.29, 473,399.09 and 102,397.62 is: 153,556.58
Step by Step Solution
- Step 1: Write the proportion equation
315,681.29 : 473,399.09 = 102,397.62 : x - Step 2: Convert to fraction form
315,681.29/473,399.09 = 102,397.62/x - Step 3: Cross multiply
315,681.29x = 473,399.09 × 102,397.62 - Step 4: Simplify right side
315,681.29x = 48,474,939,614.18 - Step 5: Solve for x
x = 48,474,939,614.18/315,681.29 - Step 6: Final answer
x = 153,556.58
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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.