Finding the Fourth Proportional to 153,720.53, 230,607.05 and 52,512.99
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Solution
The fourth proportional to 153,720.53, 230,607.05 and 52,512.99 is: 78,778.45
Step by Step Solution
- Step 1: Write the proportion equation
153,720.53 : 230,607.05 = 52,512.99 : x - Step 2: Convert to fraction form
153,720.53/230,607.05 = 52,512.99/x - Step 3: Cross multiply
153,720.53x = 230,607.05 × 52,512.99 - Step 4: Simplify right side
153,720.53x = 12,109,865,448.01 - Step 5: Solve for x
x = 12,109,865,448.01/153,720.53 - Step 6: Final answer
x = 78,778.45
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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.