Finding the Fourth Proportional to 319,807.98, 441,315.99 and 174,584.79
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Solution
The fourth proportional to 319,807.98, 441,315.99 and 174,584.79 is: 240,916.63
Step by Step Solution
- Step 1: Write the proportion equation
319,807.98 : 441,315.99 = 174,584.79 : x - Step 2: Convert to fraction form
319,807.98/441,315.99 = 174,584.79/x - Step 3: Cross multiply
319,807.98x = 441,315.99 × 174,584.79 - Step 4: Simplify right side
319,807.98x = 77,047,059,437.79 - Step 5: Solve for x
x = 77,047,059,437.79/319,807.98 - Step 6: Final answer
x = 240,916.63
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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.