Finding the Fourth Proportional to 314,361.96, 433,829.97 and 176,565.13
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Solution
The fourth proportional to 314,361.96, 433,829.97 and 176,565.13 is: 243,665.76
Step by Step Solution
- Step 1: Write the proportion equation
314,361.96 : 433,829.97 = 176,565.13 : x - Step 2: Convert to fraction form
314,361.96/433,829.97 = 176,565.13/x - Step 3: Cross multiply
314,361.96x = 433,829.97 × 176,565.13 - Step 4: Simplify right side
314,361.96x = 76,599,245,050.95 - Step 5: Solve for x
x = 76,599,245,050.95/314,361.96 - Step 6: Final answer
x = 243,665.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.