Finding the Fourth Proportional to 406,005.99, 560,289.39 and 224,730.42
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Solution
The fourth proportional to 406,005.99, 560,289.39 and 224,730.42 is: 310,128.60
Step by Step Solution
- Step 1: Write the proportion equation
406,005.99 : 560,289.39 = 224,730.42 : x - Step 2: Convert to fraction form
406,005.99/560,289.39 = 224,730.42/x - Step 3: Cross multiply
406,005.99x = 560,289.39 × 224,730.42 - Step 4: Simplify right side
406,005.99x = 125,914,069,936.24 - Step 5: Solve for x
x = 125,914,069,936.24/406,005.99 - Step 6: Final answer
x = 310,128.60
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1.5x scale
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.