Finding the Fourth Proportional to 353,782.06, 488,214.99 and 192,637.06
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Solution
The fourth proportional to 353,782.06, 488,214.99 and 192,637.06 is: 265,836.83
Step by Step Solution
- Step 1: Write the proportion equation
353,782.06 : 488,214.99 = 192,637.06 : x - Step 2: Convert to fraction form
353,782.06/488,214.99 = 192,637.06/x - Step 3: Cross multiply
353,782.06x = 488,214.99 × 192,637.06 - Step 4: Simplify right side
353,782.06x = 94,048,300,321.53 - Step 5: Solve for x
x = 94,048,300,321.53/353,782.06 - Step 6: Final answer
x = 265,836.83
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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.