Finding the Fourth Proportional to 457,021.17, 630,349.29 and 295,751.79
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Solution
The fourth proportional to 457,021.17, 630,349.29 and 295,751.79 is: 407,917.50
Step by Step Solution
- Step 1: Write the proportion equation
457,021.17 : 630,349.29 = 295,751.79 : x - Step 2: Convert to fraction form
457,021.17/630,349.29 = 295,751.79/x - Step 3: Cross multiply
457,021.17x = 630,349.29 × 295,751.79 - Step 4: Simplify right side
457,021.17x = 186,426,930,842.73 - Step 5: Solve for x
x = 186,426,930,842.73/457,021.17 - Step 6: Final answer
x = 407,917.50
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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.