Finding the Fourth Proportional to 382,364.88, 527,652.68 and 212,595.92
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Solution
The fourth proportional to 382,364.88, 527,652.68 and 212,595.92 is: 293,376.33
Step by Step Solution
- Step 1: Write the proportion equation
382,364.88 : 527,652.68 = 212,595.92 : x - Step 2: Convert to fraction form
382,364.88/527,652.68 = 212,595.92/x - Step 3: Cross multiply
382,364.88x = 527,652.68 × 212,595.92 - Step 4: Simplify right side
382,364.88x = 112,176,806,945.07 - Step 5: Solve for x
x = 112,176,806,945.07/382,364.88 - Step 6: Final answer
x = 293,376.33
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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.