Finding the Fourth Proportional to 383,490.23, 575,235.35 and 117,250.75
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Solution
The fourth proportional to 383,490.23, 575,235.35 and 117,250.75 is: 175,876.12
Step by Step Solution
- Step 1: Write the proportion equation
383,490.23 : 575,235.35 = 117,250.75 : x - Step 2: Convert to fraction form
383,490.23/575,235.35 = 117,250.75/x - Step 3: Cross multiply
383,490.23x = 575,235.35 × 117,250.75 - Step 4: Simplify right side
383,490.23x = 67,446,772,751.58 - Step 5: Solve for x
x = 67,446,772,751.58/383,490.23 - Step 6: Final answer
x = 175,876.12
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1.5x scale
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.