Finding the Fourth Proportional to 361,783.20, 545,957.81 and 349,723.49
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Solution
The fourth proportional to 361,783.20, 545,957.81 and 349,723.49 is: 527,758.81
Step by Step Solution
- Step 1: Write the proportion equation
361,783.20 : 545,957.81 = 349,723.49 : x - Step 2: Convert to fraction form
361,783.20/545,957.81 = 349,723.49/x - Step 3: Cross multiply
361,783.20x = 545,957.81 × 349,723.49 - Step 4: Simplify right side
361,783.20x = 190,934,270,705.96 - Step 5: Solve for x
x = 190,934,270,705.96/361,783.20 - Step 6: Final answer
x = 527,758.81
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.