Finding the Fourth Proportional to 153,617.38, 211,888.26 and 133,439.12
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Solution
The fourth proportional to 153,617.38, 211,888.26 and 133,439.12 is: 184,055.89
Step by Step Solution
- Step 1: Write the proportion equation
153,617.38 : 211,888.26 = 133,439.12 : x - Step 2: Convert to fraction form
153,617.38/211,888.26 = 133,439.12/x - Step 3: Cross multiply
153,617.38x = 211,888.26 × 133,439.12 - Step 4: Simplify right side
153,617.38x = 28,274,182,952.73 - Step 5: Solve for x
x = 28,274,182,952.73/153,617.38 - Step 6: Final answer
x = 184,055.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.