Finding the Fourth Proportional to 153,751.57, 230,635.55 and 145,337.09
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Solution
The fourth proportional to 153,751.57, 230,635.55 and 145,337.09 is: 218,013.38
Step by Step Solution
- Step 1: Write the proportion equation
153,751.57 : 230,635.55 = 145,337.09 : x - Step 2: Convert to fraction form
153,751.57/230,635.55 = 145,337.09/x - Step 3: Cross multiply
153,751.57x = 230,635.55 × 145,337.09 - Step 4: Simplify right side
153,751.57x = 33,519,898,897.71 - Step 5: Solve for x
x = 33,519,898,897.71/153,751.57 - Step 6: Final answer
x = 218,013.38
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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.