Finding the Fourth Proportional to 98,645.67, 147,903.50 and 35,434.08
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Solution
The fourth proportional to 98,645.67, 147,903.50 and 35,434.08 is: 53,127.77
Step by Step Solution
- Step 1: Write the proportion equation
98,645.67 : 147,903.50 = 35,434.08 : x - Step 2: Convert to fraction form
98,645.67/147,903.50 = 35,434.08/x - Step 3: Cross multiply
98,645.67x = 147,903.50 × 35,434.08 - Step 4: Simplify right side
98,645.67x = 5,240,824,539.87 - Step 5: Solve for x
x = 5,240,824,539.87/98,645.67 - Step 6: Final answer
x = 53,127.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.