Finding the Fourth Proportional to 143,296.48, 214,615.16 and 83,176.06
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Solution
The fourth proportional to 143,296.48, 214,615.16 and 83,176.06 is: 124,572.80
Step by Step Solution
- Step 1: Write the proportion equation
143,296.48 : 214,615.16 = 83,176.06 : x - Step 2: Convert to fraction form
143,296.48/214,615.16 = 83,176.06/x - Step 3: Cross multiply
143,296.48x = 214,615.16 × 83,176.06 - Step 4: Simplify right side
143,296.48x = 17,850,843,425.07 - Step 5: Solve for x
x = 17,850,843,425.07/143,296.48 - Step 6: Final answer
x = 124,572.80
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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.