Finding the Fourth Proportional to 313,212.62, 432,233.68 and 169,972.66
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Solution
The fourth proportional to 313,212.62, 432,233.68 and 169,972.66 is: 234,562.41
Step by Step Solution
- Step 1: Write the proportion equation
313,212.62 : 432,233.68 = 169,972.66 : x - Step 2: Convert to fraction form
313,212.62/432,233.68 = 169,972.66/x - Step 3: Cross multiply
313,212.62x = 432,233.68 × 169,972.66 - Step 4: Simplify right side
313,212.62x = 73,467,908,331.19 - Step 5: Solve for x
x = 73,467,908,331.19/313,212.62 - Step 6: Final answer
x = 234,562.41
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1.5x scale
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.