Finding the Fourth Proportional to 407,347.74, 562,140.18 and 226,059.80
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Solution
The fourth proportional to 407,347.74, 562,140.18 and 226,059.80 is: 311,962.68
Step by Step Solution
- Step 1: Write the proportion equation
407,347.74 : 562,140.18 = 226,059.80 : x - Step 2: Convert to fraction form
407,347.74/562,140.18 = 226,059.80/x - Step 3: Cross multiply
407,347.74x = 562,140.18 × 226,059.80 - Step 4: Simplify right side
407,347.74x = 127,077,293,852.06 - Step 5: Solve for x
x = 127,077,293,852.06/407,347.74 - Step 6: Final answer
x = 311,962.68
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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.