Finding the Fourth Proportional to 457,864.11, 631,840.50 and 253,914.62
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Solution
The fourth proportional to 457,864.11, 631,840.50 and 253,914.62 is: 350,395.53
Step by Step Solution
- Step 1: Write the proportion equation
457,864.11 : 631,840.50 = 253,914.62 : x - Step 2: Convert to fraction form
457,864.11/631,840.50 = 253,914.62/x - Step 3: Cross multiply
457,864.11x = 631,840.50 × 253,914.62 - Step 4: Simplify right side
457,864.11x = 160,433,537,298.91 - Step 5: Solve for x
x = 160,433,537,298.91/457,864.11 - Step 6: Final answer
x = 350,395.53
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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.