Finding the Fourth Proportional to 286,806.00, 395,803.57 and 157,756.48
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Solution
The fourth proportional to 286,806.00, 395,803.57 and 157,756.48 is: 217,710.16
Step by Step Solution
- Step 1: Write the proportion equation
286,806.00 : 395,803.57 = 157,756.48 : x - Step 2: Convert to fraction form
286,806.00/395,803.57 = 157,756.48/x - Step 3: Cross multiply
286,806.00x = 395,803.57 × 157,756.48 - Step 4: Simplify right side
286,806.00x = 62,440,579,519.34 - Step 5: Solve for x
x = 62,440,579,519.34/286,806.00 - Step 6: Final answer
x = 217,710.16
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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.