Finding the Fourth Proportional to 167,812.99, 251,681.02 and 47,867.66
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Solution
The fourth proportional to 167,812.99, 251,681.02 and 47,867.66 is: 71,790.52
Step by Step Solution
- Step 1: Write the proportion equation
167,812.99 : 251,681.02 = 47,867.66 : x - Step 2: Convert to fraction form
167,812.99/251,681.02 = 47,867.66/x - Step 3: Cross multiply
167,812.99x = 251,681.02 × 47,867.66 - Step 4: Simplify right side
167,812.99x = 12,047,381,328.80 - Step 5: Solve for x
x = 12,047,381,328.80/167,812.99 - Step 6: Final answer
x = 71,790.52
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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.