Finding the Fourth Proportional to 636,603.99, 954,703.42 and 210,060.30
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Solution
The fourth proportional to 636,603.99, 954,703.42 and 210,060.30 is: 315,023.61
Step by Step Solution
- Step 1: Write the proportion equation
636,603.99 : 954,703.42 = 210,060.30 : x - Step 2: Convert to fraction form
636,603.99/954,703.42 = 210,060.30/x - Step 3: Cross multiply
636,603.99x = 954,703.42 × 210,060.30 - Step 4: Simplify right side
636,603.99x = 200,545,286,816.23 - Step 5: Solve for x
x = 200,545,286,816.23/636,603.99 - Step 6: Final answer
x = 315,023.61
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1.5x scale
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.