Finding the Fourth Proportional to 476,208.42, 657,197.19 and 314,783.52
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Solution
The fourth proportional to 476,208.42, 657,197.19 and 314,783.52 is: 434,420.80
Step by Step Solution
- Step 1: Write the proportion equation
476,208.42 : 657,197.19 = 314,783.52 : x - Step 2: Convert to fraction form
476,208.42/657,197.19 = 314,783.52/x - Step 3: Cross multiply
476,208.42x = 657,197.19 × 314,783.52 - Step 4: Simplify right side
476,208.42x = 206,874,844,802.31 - Step 5: Solve for x
x = 206,874,844,802.31/476,208.42 - Step 6: Final answer
x = 434,420.80
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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.