Finding the Fourth Proportional to 259,409.75, 357,990.93 and 146,232.50
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Solution
The fourth proportional to 259,409.75, 357,990.93 and 146,232.50 is: 201,803.94
Step by Step Solution
- Step 1: Write the proportion equation
259,409.75 : 357,990.93 = 146,232.50 : x - Step 2: Convert to fraction form
259,409.75/357,990.93 = 146,232.50/x - Step 3: Cross multiply
259,409.75x = 357,990.93 × 146,232.50 - Step 4: Simplify right side
259,409.75x = 52,349,908,671.23 - Step 5: Solve for x
x = 52,349,908,671.23/259,409.75 - Step 6: Final answer
x = 201,803.94
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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.