Finding the Fourth Proportional to 121,569.60, 182,224.80 and 46,660.80
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Solution
The fourth proportional to 121,569.60, 182,224.80 and 46,660.80 is: 69,941.46
Step by Step Solution
- Step 1: Write the proportion equation
121,569.60 : 182,224.80 = 46,660.80 : x - Step 2: Convert to fraction form
121,569.60/182,224.80 = 46,660.80/x - Step 3: Cross multiply
121,569.60x = 182,224.80 × 46,660.80 - Step 4: Simplify right side
121,569.60x = 8,502,754,947.84 - Step 5: Solve for x
x = 8,502,754,947.84/121,569.60 - Step 6: Final answer
x = 69,941.46
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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.