Finding the Fourth Proportional to 616,195.14, 850,203.55 and 357,918.62
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Solution
The fourth proportional to 616,195.14, 850,203.55 and 357,918.62 is: 493,843.04
Step by Step Solution
- Step 1: Write the proportion equation
616,195.14 : 850,203.55 = 357,918.62 : x - Step 2: Convert to fraction form
616,195.14/850,203.55 = 357,918.62/x - Step 3: Cross multiply
616,195.14x = 850,203.55 × 357,918.62 - Step 4: Simplify right side
616,195.14x = 304,303,681,335.10 - Step 5: Solve for x
x = 304,303,681,335.10/616,195.14 - Step 6: Final answer
x = 493,843.04
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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.