Finding the Fourth Proportional to 176,329.76, 243,321.57 and 103,735.53
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Solution
The fourth proportional to 176,329.76, 243,321.57 and 103,735.53 is: 143,147.09
Step by Step Solution
- Step 1: Write the proportion equation
176,329.76 : 243,321.57 = 103,735.53 : x - Step 2: Convert to fraction form
176,329.76/243,321.57 = 103,735.53/x - Step 3: Cross multiply
176,329.76x = 243,321.57 × 103,735.53 - Step 4: Simplify right side
176,329.76x = 25,241,092,024.38 - Step 5: Solve for x
x = 25,241,092,024.38/176,329.76 - Step 6: Final answer
x = 143,147.09
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1.5x scale
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.