Finding the Fourth Proportional to 637,438.36, 955,934.68 and 188,039.88
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Solution
The fourth proportional to 637,438.36, 955,934.68 and 188,039.88 is: 281,994.08
Step by Step Solution
- Step 1: Write the proportion equation
637,438.36 : 955,934.68 = 188,039.88 : x - Step 2: Convert to fraction form
637,438.36/955,934.68 = 188,039.88/x - Step 3: Cross multiply
637,438.36x = 955,934.68 × 188,039.88 - Step 4: Simplify right side
637,438.36x = 179,753,842,515.04 - Step 5: Solve for x
x = 179,753,842,515.04/637,438.36 - Step 6: Final answer
x = 281,994.08
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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.