Finding the Fourth Proportional to 124,806.42, 187,208.42 and 31,312.17
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Solution
The fourth proportional to 124,806.42, 187,208.42 and 31,312.17 is: 46,967.95
Step by Step Solution
- Step 1: Write the proportion equation
124,806.42 : 187,208.42 = 31,312.17 : x - Step 2: Convert to fraction form
124,806.42/187,208.42 = 31,312.17/x - Step 3: Cross multiply
124,806.42x = 187,208.42 × 31,312.17 - Step 4: Simplify right side
124,806.42x = 5,861,901,715.91 - Step 5: Solve for x
x = 5,861,901,715.91/124,806.42 - Step 6: Final answer
x = 46,967.95
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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.