Finding the Fourth Proportional to 210,543.48, 290,537.76 and 115,050.96
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Solution
The fourth proportional to 210,543.48, 290,537.76 and 115,050.96 is: 158,763.63
Step by Step Solution
- Step 1: Write the proportion equation
210,543.48 : 290,537.76 = 115,050.96 : x - Step 2: Convert to fraction form
210,543.48/290,537.76 = 115,050.96/x - Step 3: Cross multiply
210,543.48x = 290,537.76 × 115,050.96 - Step 4: Simplify right side
210,543.48x = 33,426,648,204.25 - Step 5: Solve for x
x = 33,426,648,204.25/210,543.48 - Step 6: Final answer
x = 158,763.63
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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.