Finding the Fourth Proportional to 153,575.93, 211,935.84 and 85,597.29
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Solution
The fourth proportional to 153,575.93, 211,935.84 and 85,597.29 is: 118,124.84
Step by Step Solution
- Step 1: Write the proportion equation
153,575.93 : 211,935.84 = 85,597.29 : x - Step 2: Convert to fraction form
153,575.93/211,935.84 = 85,597.29/x - Step 3: Cross multiply
153,575.93x = 211,935.84 × 85,597.29 - Step 4: Simplify right side
153,575.93x = 18,141,132,498.19 - Step 5: Solve for x
x = 18,141,132,498.19/153,575.93 - Step 6: Final answer
x = 118,124.84
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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.