Finding the Fourth Proportional to 418,637.43, 577,883.99 and 296,766.81
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Solution
The fourth proportional to 418,637.43, 577,883.99 and 296,766.81 is: 409,654.70
Step by Step Solution
- Step 1: Write the proportion equation
418,637.43 : 577,883.99 = 296,766.81 : x - Step 2: Convert to fraction form
418,637.43/577,883.99 = 296,766.81/x - Step 3: Cross multiply
418,637.43x = 577,883.99 × 296,766.81 - Step 4: Simplify right side
418,637.43x = 171,496,789,004.29 - Step 5: Solve for x
x = 171,496,789,004.29/418,637.43 - Step 6: Final answer
x = 409,654.70
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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.