Finding the Fourth Proportional to 98,184.48, 135,471.06 and 57,895.08
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Solution
The fourth proportional to 98,184.48, 135,471.06 and 57,895.08 is: 79,881.34
Step by Step Solution
- Step 1: Write the proportion equation
98,184.48 : 135,471.06 = 57,895.08 : x - Step 2: Convert to fraction form
98,184.48/135,471.06 = 57,895.08/x - Step 3: Cross multiply
98,184.48x = 135,471.06 × 57,895.08 - Step 4: Simplify right side
98,184.48x = 7,843,107,856.38 - Step 5: Solve for x
x = 7,843,107,856.38/98,184.48 - Step 6: Final answer
x = 79,881.34
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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.