Finding the Fourth Proportional to 665,515.90, 998,076.80 and 185,627.99
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Solution
The fourth proportional to 665,515.90, 998,076.80 and 185,627.99 is: 278,387.02
Step by Step Solution
- Step 1: Write the proportion equation
665,515.90 : 998,076.80 = 185,627.99 : x - Step 2: Convert to fraction form
665,515.90/998,076.80 = 185,627.99/x - Step 3: Cross multiply
665,515.90x = 998,076.80 × 185,627.99 - Step 4: Simplify right side
665,515.90x = 185,270,991,805.35 - Step 5: Solve for x
x = 185,270,991,805.35/665,515.90 - Step 6: Final answer
x = 278,387.02
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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.