Finding the Fourth Proportional to 383,720.35, 575,252.28 and 147,232.75
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Solution
The fourth proportional to 383,720.35, 575,252.28 and 147,232.75 is: 220,723.18
Step by Step Solution
- Step 1: Write the proportion equation
383,720.35 : 575,252.28 = 147,232.75 : x - Step 2: Convert to fraction form
383,720.35/575,252.28 = 147,232.75/x - Step 3: Cross multiply
383,720.35x = 575,252.28 × 147,232.75 - Step 4: Simplify right side
383,720.35x = 84,695,975,128.17 - Step 5: Solve for x
x = 84,695,975,128.17/383,720.35 - Step 6: Final answer
x = 220,723.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.