Finding the Fourth Proportional to 214,397.96, 321,531.12 and 148,263.08
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Solution
The fourth proportional to 214,397.96, 321,531.12 and 148,263.08 is: 222,349.10
Step by Step Solution
- Step 1: Write the proportion equation
214,397.96 : 321,531.12 = 148,263.08 : x - Step 2: Convert to fraction form
214,397.96/321,531.12 = 148,263.08/x - Step 3: Cross multiply
214,397.96x = 321,531.12 × 148,263.08 - Step 4: Simplify right side
214,397.96x = 47,671,194,167.05 - Step 5: Solve for x
x = 47,671,194,167.05/214,397.96 - Step 6: Final answer
x = 222,349.10
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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.