Finding the Fourth Proportional to 153,540.08, 230,135.04 and 70,259.12
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Solution
The fourth proportional to 153,540.08, 230,135.04 and 70,259.12 is: 105,308.56
Step by Step Solution
- Step 1: Write the proportion equation
153,540.08 : 230,135.04 = 70,259.12 : x - Step 2: Convert to fraction form
153,540.08/230,135.04 = 70,259.12/x - Step 3: Cross multiply
153,540.08x = 230,135.04 × 70,259.12 - Step 4: Simplify right side
153,540.08x = 16,169,085,391.56 - Step 5: Solve for x
x = 16,169,085,391.56/153,540.08 - Step 6: Final answer
x = 105,308.56
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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.