Finding the Fourth Proportional to 170,316.17, 235,024.97 and 98,683.41
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Solution
The fourth proportional to 170,316.17, 235,024.97 and 98,683.41 is: 136,176.53
Step by Step Solution
- Step 1: Write the proportion equation
170,316.17 : 235,024.97 = 98,683.41 : x - Step 2: Convert to fraction form
170,316.17/235,024.97 = 98,683.41/x - Step 3: Cross multiply
170,316.17x = 235,024.97 × 98,683.41 - Step 4: Simplify right side
170,316.17x = 23,193,064,981.33 - Step 5: Solve for x
x = 23,193,064,981.33/170,316.17 - Step 6: Final answer
x = 136,176.53
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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.