Finding the Fourth Proportional to 316,701.97, 436,978.50 and 187,576.02
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Solution
The fourth proportional to 316,701.97, 436,978.50 and 187,576.02 is: 258,813.32
Step by Step Solution
- Step 1: Write the proportion equation
316,701.97 : 436,978.50 = 187,576.02 : x - Step 2: Convert to fraction form
316,701.97/436,978.50 = 187,576.02/x - Step 3: Cross multiply
316,701.97x = 436,978.50 × 187,576.02 - Step 4: Simplify right side
316,701.97x = 81,966,687,152.16 - Step 5: Solve for x
x = 81,966,687,152.16/316,701.97 - Step 6: Final answer
x = 258,813.32
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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.