Finding the Fourth Proportional to 510,430.06, 704,393.49 and 284,129.02
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Solution
The fourth proportional to 510,430.06, 704,393.49 and 284,129.02 is: 392,098.05
Step by Step Solution
- Step 1: Write the proportion equation
510,430.06 : 704,393.49 = 284,129.02 : x - Step 2: Convert to fraction form
510,430.06/704,393.49 = 284,129.02/x - Step 3: Cross multiply
510,430.06x = 704,393.49 × 284,129.02 - Step 4: Simplify right side
510,430.06x = 200,138,632,008.08 - Step 5: Solve for x
x = 200,138,632,008.08/510,430.06 - Step 6: Final answer
x = 392,098.05
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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.