Finding the Fourth Proportional to 497,276.99, 686,243.04 and 282,416.93
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Solution
The fourth proportional to 497,276.99, 686,243.04 and 282,416.93 is: 389,735.81
Step by Step Solution
- Step 1: Write the proportion equation
497,276.99 : 686,243.04 = 282,416.93 : x - Step 2: Convert to fraction form
497,276.99/686,243.04 = 282,416.93/x - Step 3: Cross multiply
497,276.99x = 686,243.04 × 282,416.93 - Step 4: Simplify right side
497,276.99x = 193,806,652,590.67 - Step 5: Solve for x
x = 193,806,652,590.67/497,276.99 - Step 6: Final answer
x = 389,735.81
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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.