Finding the Fourth Proportional to 121,283.24, 181,918.68 and 46,397.63
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Solution
The fourth proportional to 121,283.24, 181,918.68 and 46,397.63 is: 69,594.08
Step by Step Solution
- Step 1: Write the proportion equation
121,283.24 : 181,918.68 = 46,397.63 : x - Step 2: Convert to fraction form
121,283.24/181,918.68 = 46,397.63/x - Step 3: Cross multiply
121,283.24x = 181,918.68 × 46,397.63 - Step 4: Simplify right side
121,283.24x = 8,440,594,695.14 - Step 5: Solve for x
x = 8,440,594,695.14/121,283.24 - Step 6: Final answer
x = 69,594.08
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1.5x scale
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.