Finding the Fourth Proportional to 427,531.23, 589,983.99 and 233,938.19
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Solution
The fourth proportional to 427,531.23, 589,983.99 and 233,938.19 is: 322,829.72
Step by Step Solution
- Step 1: Write the proportion equation
427,531.23 : 589,983.99 = 233,938.19 : x - Step 2: Convert to fraction form
427,531.23/589,983.99 = 233,938.19/x - Step 3: Cross multiply
427,531.23x = 589,983.99 × 233,938.19 - Step 4: Simplify right side
427,531.23x = 138,019,787,347.27 - Step 5: Solve for x
x = 138,019,787,347.27/427,531.23 - Step 6: Final answer
x = 322,829.72
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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.