Finding the Fourth Proportional to 509,885.44, 765,176.64 and 177,461.44
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Solution
The fourth proportional to 509,885.44, 765,176.64 and 177,461.44 is: 266,313.45
Step by Step Solution
- Step 1: Write the proportion equation
509,885.44 : 765,176.64 = 177,461.44 : x - Step 2: Convert to fraction form
509,885.44/765,176.64 = 177,461.44/x - Step 3: Cross multiply
509,885.44x = 765,176.64 × 177,461.44 - Step 4: Simplify right side
509,885.44x = 135,789,348,388.76 - Step 5: Solve for x
x = 135,789,348,388.76/509,885.44 - Step 6: Final answer
x = 266,313.45
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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.