Finding the Fourth Proportional to 170,254.31, 234,948.74 and 93,771.95
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Solution
The fourth proportional to 170,254.31, 234,948.74 and 93,771.95 is: 129,404.07
Step by Step Solution
- Step 1: Write the proportion equation
170,254.31 : 234,948.74 = 93,771.95 : x - Step 2: Convert to fraction form
170,254.31/234,948.74 = 93,771.95/x - Step 3: Cross multiply
170,254.31x = 234,948.74 × 93,771.95 - Step 4: Simplify right side
170,254.31x = 22,031,599,856.24 - Step 5: Solve for x
x = 22,031,599,856.24/170,254.31 - Step 6: Final answer
x = 129,404.07
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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.