Finding the Fourth Proportional to 121,248.02, 181,884.49 and 46,430.75
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Solution
The fourth proportional to 121,248.02, 181,884.49 and 46,430.75 is: 69,650.90
Step by Step Solution
- Step 1: Write the proportion equation
121,248.02 : 181,884.49 = 46,430.75 : x - Step 2: Convert to fraction form
121,248.02/181,884.49 = 46,430.75/x - Step 3: Cross multiply
121,248.02x = 181,884.49 × 46,430.75 - Step 4: Simplify right side
121,248.02x = 8,445,033,622.70 - Step 5: Solve for x
x = 8,445,033,622.70/121,248.02 - Step 6: Final answer
x = 69,650.90
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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.