Finding the Fourth Proportional to 463,567.68, 639,701.28 and 284,685.12
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Solution
The fourth proportional to 463,567.68, 639,701.28 and 284,685.12 is: 392,851.88
Step by Step Solution
- Step 1: Write the proportion equation
463,567.68 : 639,701.28 = 284,685.12 : x - Step 2: Convert to fraction form
463,567.68/639,701.28 = 284,685.12/x - Step 3: Cross multiply
463,567.68x = 639,701.28 × 284,685.12 - Step 4: Simplify right side
463,567.68x = 182,113,435,660.95 - Step 5: Solve for x
x = 182,113,435,660.95/463,567.68 - Step 6: Final answer
x = 392,851.88
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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.