Finding the Fourth Proportional to 237,845.34, 328,398.80 and 153,110.03
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Solution
The fourth proportional to 237,845.34, 328,398.80 and 153,110.03 is: 211,402.70
Step by Step Solution
- Step 1: Write the proportion equation
237,845.34 : 328,398.80 = 153,110.03 : x - Step 2: Convert to fraction form
237,845.34/328,398.80 = 153,110.03/x - Step 3: Cross multiply
237,845.34x = 328,398.80 × 153,110.03 - Step 4: Simplify right side
237,845.34x = 50,281,147,712.42 - Step 5: Solve for x
x = 50,281,147,712.42/237,845.34 - Step 6: Final answer
x = 211,402.70
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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.