Finding the Fourth Proportional to 407,404.78, 562,210.14 and 226,106.08
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Solution
The fourth proportional to 407,404.78, 562,210.14 and 226,106.08 is: 312,021.70
Step by Step Solution
- Step 1: Write the proportion equation
407,404.78 : 562,210.14 = 226,106.08 : x - Step 2: Convert to fraction form
407,404.78/562,210.14 = 226,106.08/x - Step 3: Cross multiply
407,404.78x = 562,210.14 × 226,106.08 - Step 4: Simplify right side
407,404.78x = 127,119,130,891.65 - Step 5: Solve for x
x = 127,119,130,891.65/407,404.78 - Step 6: Final answer
x = 312,021.70
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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.