Finding the Fourth Proportional to 463,580.99, 639,840.62 and 272,703.27
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Solution
The fourth proportional to 463,580.99, 639,840.62 and 272,703.27 is: 376,388.67
Step by Step Solution
- Step 1: Write the proportion equation
463,580.99 : 639,840.62 = 272,703.27 : x - Step 2: Convert to fraction form
463,580.99/639,840.62 = 272,703.27/x - Step 3: Cross multiply
463,580.99x = 639,840.62 × 272,703.27 - Step 4: Simplify right side
463,580.99x = 174,486,630,900.03 - Step 5: Solve for x
x = 174,486,630,900.03/463,580.99 - Step 6: Final answer
x = 376,388.67
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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.