Finding the Fourth Proportional to 382,197.04, 527,438.68 and 210,122.28
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Solution
The fourth proportional to 382,197.04, 527,438.68 and 210,122.28 is: 289,972.47
Step by Step Solution
- Step 1: Write the proportion equation
382,197.04 : 527,438.68 = 210,122.28 : x - Step 2: Convert to fraction form
382,197.04/527,438.68 = 210,122.28/x - Step 3: Cross multiply
382,197.04x = 527,438.68 × 210,122.28 - Step 4: Simplify right side
382,197.04x = 110,826,618,001.79 - Step 5: Solve for x
x = 110,826,618,001.79/382,197.04 - Step 6: Final answer
x = 289,972.47
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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.