Finding the Fourth Proportional to 217,032.39, 299,497.74 and 120,232.28
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Solution
The fourth proportional to 217,032.39, 299,497.74 and 120,232.28 is: 165,916.68
Step by Step Solution
- Step 1: Write the proportion equation
217,032.39 : 299,497.74 = 120,232.28 : x - Step 2: Convert to fraction form
217,032.39/299,497.74 = 120,232.28/x - Step 3: Cross multiply
217,032.39x = 299,497.74 × 120,232.28 - Step 4: Simplify right side
217,032.39x = 36,009,294,637.56 - Step 5: Solve for x
x = 36,009,294,637.56/217,032.39 - Step 6: Final answer
x = 165,916.68
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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.