Finding the Fourth Proportional to 461,407.79, 692,107.54 and 145,864.80
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Solution
The fourth proportional to 461,407.79, 692,107.54 and 145,864.80 is: 218,795.89
Step by Step Solution
- Step 1: Write the proportion equation
461,407.79 : 692,107.54 = 145,864.80 : x - Step 2: Convert to fraction form
461,407.79/692,107.54 = 145,864.80/x - Step 3: Cross multiply
461,407.79x = 692,107.54 × 145,864.80 - Step 4: Simplify right side
461,407.79x = 100,954,127,535.93 - Step 5: Solve for x
x = 100,954,127,535.93/461,407.79 - Step 6: Final answer
x = 218,795.89
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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.