Finding the Fourth Proportional to 562,115.23, 775,501.12 and 358,129.63
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Solution
The fourth proportional to 562,115.23, 775,501.12 and 358,129.63 is: 494,080.06
Step by Step Solution
- Step 1: Write the proportion equation
562,115.23 : 775,501.12 = 358,129.63 : x - Step 2: Convert to fraction form
562,115.23/775,501.12 = 358,129.63/x - Step 3: Cross multiply
562,115.23x = 775,501.12 × 358,129.63 - Step 4: Simplify right side
562,115.23x = 277,729,929,170.19 - Step 5: Solve for x
x = 277,729,929,170.19/562,115.23 - Step 6: Final answer
x = 494,080.06
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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.