Finding the Fourth Proportional to 430,349.44, 644,277.59 and 324,180.53
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Solution
The fourth proportional to 430,349.44, 644,277.59 and 324,180.53 is: 485,331.76
Step by Step Solution
- Step 1: Write the proportion equation
430,349.44 : 644,277.59 = 324,180.53 : x - Step 2: Convert to fraction form
430,349.44/644,277.59 = 324,180.53/x - Step 3: Cross multiply
430,349.44x = 644,277.59 × 324,180.53 - Step 4: Simplify right side
430,349.44x = 208,862,250,593.32 - Step 5: Solve for x
x = 208,862,250,593.32/430,349.44 - Step 6: Final answer
x = 485,331.76
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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.