Finding the Fourth Proportional to 429,416.48, 592,487.76 and 257,361.68
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Solution
The fourth proportional to 429,416.48, 592,487.76 and 257,361.68 is: 355,095.00
Step by Step Solution
- Step 1: Write the proportion equation
429,416.48 : 592,487.76 = 257,361.68 : x - Step 2: Convert to fraction form
429,416.48/592,487.76 = 257,361.68/x - Step 3: Cross multiply
429,416.48x = 592,487.76 × 257,361.68 - Step 4: Simplify right side
429,416.48x = 152,483,645,293.04 - Step 5: Solve for x
x = 152,483,645,293.04/429,416.48 - Step 6: Final answer
x = 355,095.00
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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.