Finding the Fourth Proportional to 170,984.78, 235,971.21 and 94,502.23
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Solution
The fourth proportional to 170,984.78, 235,971.21 and 94,502.23 is: 130,419.82
Step by Step Solution
- Step 1: Write the proportion equation
170,984.78 : 235,971.21 = 94,502.23 : x - Step 2: Convert to fraction form
170,984.78/235,971.21 = 94,502.23/x - Step 3: Cross multiply
170,984.78x = 235,971.21 × 94,502.23 - Step 4: Simplify right side
170,984.78x = 22,299,803,908.43 - Step 5: Solve for x
x = 22,299,803,908.43/170,984.78 - Step 6: Final answer
x = 130,419.82
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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.