Finding the Fourth Proportional to 276,811.94, 382,000.50 and 149,487.53
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Solution
The fourth proportional to 276,811.94, 382,000.50 and 149,487.53 is: 206,292.81
Step by Step Solution
- Step 1: Write the proportion equation
276,811.94 : 382,000.50 = 149,487.53 : x - Step 2: Convert to fraction form
276,811.94/382,000.50 = 149,487.53/x - Step 3: Cross multiply
276,811.94x = 382,000.50 × 149,487.53 - Step 4: Simplify right side
276,811.94x = 57,104,312,158.77 - Step 5: Solve for x
x = 57,104,312,158.77/276,811.94 - Step 6: Final answer
x = 206,292.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.