Finding the Fourth Proportional to 121,569.84, 182,378.40 and 46,684.48
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Solution
The fourth proportional to 121,569.84, 182,378.40 and 46,684.48 is: 70,035.80
Step by Step Solution
- Step 1: Write the proportion equation
121,569.84 : 182,378.40 = 46,684.48 : x - Step 2: Convert to fraction form
121,569.84/182,378.40 = 46,684.48/x - Step 3: Cross multiply
121,569.84x = 182,378.40 × 46,684.48 - Step 4: Simplify right side
121,569.84x = 8,514,240,767.23 - Step 5: Solve for x
x = 8,514,240,767.23/121,569.84 - Step 6: Final answer
x = 70,035.80
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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.