Finding the Fourth Proportional to 457,280.42, 631,038.44 and 275,999.99
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Solution
The fourth proportional to 457,280.42, 631,038.44 and 275,999.99 is: 380,874.83
Step by Step Solution
- Step 1: Write the proportion equation
457,280.42 : 631,038.44 = 275,999.99 : x - Step 2: Convert to fraction form
457,280.42/631,038.44 = 275,999.99/x - Step 3: Cross multiply
457,280.42x = 631,038.44 × 275,999.99 - Step 4: Simplify right side
457,280.42x = 174,166,598,594.42 - Step 5: Solve for x
x = 174,166,598,594.42/457,280.42 - Step 6: Final answer
x = 380,874.83
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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.