Finding the Fourth Proportional to 408,681.26, 563,965.99 and 224,902.70
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Solution
The fourth proportional to 408,681.26, 563,965.99 and 224,902.70 is: 310,357.94
Step by Step Solution
- Step 1: Write the proportion equation
408,681.26 : 563,965.99 = 224,902.70 : x - Step 2: Convert to fraction form
408,681.26/563,965.99 = 224,902.70/x - Step 3: Cross multiply
408,681.26x = 563,965.99 × 224,902.70 - Step 4: Simplify right side
408,681.26x = 126,837,473,859.17 - Step 5: Solve for x
x = 126,837,473,859.17/408,681.26 - Step 6: Final answer
x = 310,357.94
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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.