Finding the Fourth Proportional to 117,140.48, 175,710.14 and 28,393.99
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Solution
The fourth proportional to 117,140.48, 175,710.14 and 28,393.99 is: 42,590.84
Step by Step Solution
- Step 1: Write the proportion equation
117,140.48 : 175,710.14 = 28,393.99 : x - Step 2: Convert to fraction form
117,140.48/175,710.14 = 28,393.99/x - Step 3: Cross multiply
117,140.48x = 175,710.14 × 28,393.99 - Step 4: Simplify right side
117,140.48x = 4,989,110,937.54 - Step 5: Solve for x
x = 4,989,110,937.54/117,140.48 - Step 6: Final answer
x = 42,590.84
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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.