Finding the Fourth Proportional to 212,701.14, 318,750.93 and 117,973.06
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Solution
The fourth proportional to 212,701.14, 318,750.93 and 117,973.06 is: 176,792.76
Step by Step Solution
- Step 1: Write the proportion equation
212,701.14 : 318,750.93 = 117,973.06 : x - Step 2: Convert to fraction form
212,701.14/318,750.93 = 117,973.06/x - Step 3: Cross multiply
212,701.14x = 318,750.93 × 117,973.06 - Step 4: Simplify right side
212,701.14x = 37,604,021,793.07 - Step 5: Solve for x
x = 37,604,021,793.07/212,701.14 - Step 6: Final answer
x = 176,792.76
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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.