Finding the Fourth Proportional to 377,076.48, 520,352.16 and 207,309.28
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Solution
The fourth proportional to 377,076.48, 520,352.16 and 207,309.28 is: 286,079.45
Step by Step Solution
- Step 1: Write the proportion equation
377,076.48 : 520,352.16 = 207,309.28 : x - Step 2: Convert to fraction form
377,076.48/520,352.16 = 207,309.28/x - Step 3: Cross multiply
377,076.48x = 520,352.16 × 207,309.28 - Step 4: Simplify right side
377,076.48x = 107,873,831,636.05 - Step 5: Solve for x
x = 107,873,831,636.05/377,076.48 - Step 6: Final answer
x = 286,079.45
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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.