Finding the Fourth Proportional to 406,117.74, 560,435.40 and 224,825.70
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Solution
The fourth proportional to 406,117.74, 560,435.40 and 224,825.70 is: 310,255.55
Step by Step Solution
- Step 1: Write the proportion equation
406,117.74 : 560,435.40 = 224,825.70 : x - Step 2: Convert to fraction form
406,117.74/560,435.40 = 224,825.70/x - Step 3: Cross multiply
406,117.74x = 560,435.40 × 224,825.70 - Step 4: Simplify right side
406,117.74x = 126,000,281,109.78 - Step 5: Solve for x
x = 126,000,281,109.78/406,117.74 - Step 6: Final answer
x = 310,255.55
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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.