Finding the Fourth Proportional to 235,931.56, 325,587.66 and 128,502.08
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Solution
The fourth proportional to 235,931.56, 325,587.66 and 128,502.08 is: 177,334.02
Step by Step Solution
- Step 1: Write the proportion equation
235,931.56 : 325,587.66 = 128,502.08 : x - Step 2: Convert to fraction form
235,931.56/325,587.66 = 128,502.08/x - Step 3: Cross multiply
235,931.56x = 325,587.66 × 128,502.08 - Step 4: Simplify right side
235,931.56x = 41,838,691,532.33 - Step 5: Solve for x
x = 41,838,691,532.33/235,931.56 - Step 6: Final answer
x = 177,334.02
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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.