Finding the Fourth Proportional to 368,757.20, 508,948.48 and 213,686.76
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Solution
The fourth proportional to 368,757.20, 508,948.48 and 213,686.76 is: 294,924.55
Step by Step Solution
- Step 1: Write the proportion equation
368,757.20 : 508,948.48 = 213,686.76 : x - Step 2: Convert to fraction form
368,757.20/508,948.48 = 213,686.76/x - Step 3: Cross multiply
368,757.20x = 508,948.48 × 213,686.76 - Step 4: Simplify right side
368,757.20x = 108,755,551,698.13 - Step 5: Solve for x
x = 108,755,551,698.13/368,757.20 - Step 6: Final answer
x = 294,924.55
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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.