Finding the Fourth Proportional to 497,461.53, 686,515.28 and 282,637.99
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Solution
The fourth proportional to 497,461.53, 686,515.28 and 282,637.99 is: 390,050.86
Step by Step Solution
- Step 1: Write the proportion equation
497,461.53 : 686,515.28 = 282,637.99 : x - Step 2: Convert to fraction form
497,461.53/686,515.28 = 282,637.99/x - Step 3: Cross multiply
497,461.53x = 686,515.28 × 282,637.99 - Step 4: Simplify right side
497,461.53x = 194,035,295,410.91 - Step 5: Solve for x
x = 194,035,295,410.91/497,461.53 - Step 6: Final answer
x = 390,050.86
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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.