Finding the Fourth Proportional to 113,803.21, 157,048.43 and 62,815.95
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Solution
The fourth proportional to 113,803.21, 157,048.43 and 62,815.95 is: 86,686.02
Step by Step Solution
- Step 1: Write the proportion equation
113,803.21 : 157,048.43 = 62,815.95 : x - Step 2: Convert to fraction form
113,803.21/157,048.43 = 62,815.95/x - Step 3: Cross multiply
113,803.21x = 157,048.43 × 62,815.95 - Step 4: Simplify right side
113,803.21x = 9,865,146,529.96 - Step 5: Solve for x
x = 9,865,146,529.96/113,803.21 - Step 6: Final answer
x = 86,686.02
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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.