Finding the Fourth Proportional to 276,811.61, 382,000.02 and 149,487.19
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Solution
The fourth proportional to 276,811.61, 382,000.02 and 149,487.19 is: 206,292.32
Step by Step Solution
- Step 1: Write the proportion equation
276,811.61 : 382,000.02 = 149,487.19 : x - Step 2: Convert to fraction form
276,811.61/382,000.02 = 149,487.19/x - Step 3: Cross multiply
276,811.61x = 382,000.02 × 149,487.19 - Step 4: Simplify right side
276,811.61x = 57,104,108,822.31 - Step 5: Solve for x
x = 57,104,108,822.31/276,811.61 - Step 6: Final answer
x = 206,292.32
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1.5x scale
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.