Finding the Fourth Proportional to 315,762.99, 473,981.67 and 135,937.41
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Solution
The fourth proportional to 315,762.99, 473,981.67 and 135,937.41 is: 204,051.27
Step by Step Solution
- Step 1: Write the proportion equation
315,762.99 : 473,981.67 = 135,937.41 : x - Step 2: Convert to fraction form
315,762.99/473,981.67 = 135,937.41/x - Step 3: Cross multiply
315,762.99x = 473,981.67 × 135,937.41 - Step 4: Simplify right side
315,762.99x = 64,431,840,607.27 - Step 5: Solve for x
x = 64,431,840,607.27/315,762.99 - Step 6: Final answer
x = 204,051.27
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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.