Finding the Fourth Proportional to 506,463.84, 699,135.30 and 315,571.59
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Solution
The fourth proportional to 506,463.84, 699,135.30 and 315,571.59 is: 435,622.88
Step by Step Solution
- Step 1: Write the proportion equation
506,463.84 : 699,135.30 = 315,571.59 : x - Step 2: Convert to fraction form
506,463.84/699,135.30 = 315,571.59/x - Step 3: Cross multiply
506,463.84x = 699,135.30 × 315,571.59 - Step 4: Simplify right side
506,463.84x = 220,627,238,246.13 - Step 5: Solve for x
x = 220,627,238,246.13/506,463.84 - Step 6: Final answer
x = 435,622.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.