Finding the Fourth Proportional to 457,561.36, 686,332.32 and 125,137.36
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Solution
The fourth proportional to 457,561.36, 686,332.32 and 125,137.36 is: 187,703.38
Step by Step Solution
- Step 1: Write the proportion equation
457,561.36 : 686,332.32 = 125,137.36 : x - Step 2: Convert to fraction form
457,561.36/686,332.32 = 125,137.36/x - Step 3: Cross multiply
457,561.36x = 686,332.32 × 125,137.36 - Step 4: Simplify right side
457,561.36x = 85,885,814,607.48 - Step 5: Solve for x
x = 85,885,814,607.48/457,561.36 - Step 6: Final answer
x = 187,703.38
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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.