Finding the Fourth Proportional to 457,644.35, 631,619.11 and 292,143.81
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Solution
The fourth proportional to 457,644.35, 631,619.11 and 292,143.81 is: 403,203.09
Step by Step Solution
- Step 1: Write the proportion equation
457,644.35 : 631,619.11 = 292,143.81 : x - Step 2: Convert to fraction form
457,644.35/631,619.11 = 292,143.81/x - Step 3: Cross multiply
457,644.35x = 631,619.11 × 292,143.81 - Step 4: Simplify right side
457,644.35x = 184,523,615,997.96 - Step 5: Solve for x
x = 184,523,615,997.96/457,644.35 - Step 6: Final answer
x = 403,203.09
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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.