Finding the Fourth Proportional to 292,020.89, 402,988.06 and 162,957.99
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Solution
The fourth proportional to 292,020.89, 402,988.06 and 162,957.99 is: 224,881.59
Step by Step Solution
- Step 1: Write the proportion equation
292,020.89 : 402,988.06 = 162,957.99 : x - Step 2: Convert to fraction form
292,020.89/402,988.06 = 162,957.99/x - Step 3: Cross multiply
292,020.89x = 402,988.06 × 162,957.99 - Step 4: Simplify right side
292,020.89x = 65,670,122,333.00 - Step 5: Solve for x
x = 65,670,122,333.00/292,020.89 - Step 6: Final answer
x = 224,881.59
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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.