Finding the Fourth Proportional to 408,660.88, 563,943.18 and 236,586.14
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Solution
The fourth proportional to 408,660.88, 563,943.18 and 236,586.14 is: 326,483.75
Step by Step Solution
- Step 1: Write the proportion equation
408,660.88 : 563,943.18 = 236,586.14 : x - Step 2: Convert to fraction form
408,660.88/563,943.18 = 236,586.14/x - Step 3: Cross multiply
408,660.88x = 563,943.18 × 236,586.14 - Step 4: Simplify right side
408,660.88x = 133,421,137,315.81 - Step 5: Solve for x
x = 133,421,137,315.81/408,660.88 - Step 6: Final answer
x = 326,483.75
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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.