Finding the Fourth Proportional to 383,748.14, 575,623.61 and 117,507.58
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Solution
The fourth proportional to 383,748.14, 575,623.61 and 117,507.58 is: 176,261.80
Step by Step Solution
- Step 1: Write the proportion equation
383,748.14 : 575,623.61 = 117,507.58 : x - Step 2: Convert to fraction form
383,748.14/575,623.61 = 117,507.58/x - Step 3: Cross multiply
383,748.14x = 575,623.61 × 117,507.58 - Step 4: Simplify right side
383,748.14x = 67,640,137,401.96 - Step 5: Solve for x
x = 67,640,137,401.96/383,748.14 - Step 6: Final answer
x = 176,261.80
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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.