Finding the Fourth Proportional to 499,020.63, 748,603.20 and 157,348.09
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Solution
The fourth proportional to 499,020.63, 748,603.20 and 157,348.09 is: 236,044.91
Step by Step Solution
- Step 1: Write the proportion equation
499,020.63 : 748,603.20 = 157,348.09 : x - Step 2: Convert to fraction form
499,020.63/748,603.20 = 157,348.09/x - Step 3: Cross multiply
499,020.63x = 748,603.20 × 157,348.09 - Step 4: Simplify right side
499,020.63x = 117,791,282,147.11 - Step 5: Solve for x
x = 117,791,282,147.11/499,020.63 - Step 6: Final answer
x = 236,044.91
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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.