Finding the Fourth Proportional to 447,176.57, 670,748.91 and 127,329.99
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Solution
The fourth proportional to 447,176.57, 670,748.91 and 127,329.99 is: 190,990.44
Step by Step Solution
- Step 1: Write the proportion equation
447,176.57 : 670,748.91 = 127,329.99 : x - Step 2: Convert to fraction form
447,176.57/670,748.91 = 127,329.99/x - Step 3: Cross multiply
447,176.57x = 670,748.91 × 127,329.99 - Step 4: Simplify right side
447,176.57x = 85,406,450,848.54 - Step 5: Solve for x
x = 85,406,450,848.54/447,176.57 - Step 6: Final answer
x = 190,990.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.