Finding the Fourth Proportional to 194,420.13, 291,567.15 and 74,470.70
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Solution
The fourth proportional to 194,420.13, 291,567.15 and 74,470.70 is: 111,681.90
Step by Step Solution
- Step 1: Write the proportion equation
194,420.13 : 291,567.15 = 74,470.70 : x - Step 2: Convert to fraction form
194,420.13/291,567.15 = 74,470.70/x - Step 3: Cross multiply
194,420.13x = 291,567.15 × 74,470.70 - Step 4: Simplify right side
194,420.13x = 21,713,208,488.70 - Step 5: Solve for x
x = 21,713,208,488.70/194,420.13 - Step 6: Final answer
x = 111,681.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.