Finding the Fourth Proportional to 173,779.10, 239,691.48 and 159,485.06
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Solution
The fourth proportional to 173,779.10, 239,691.48 and 159,485.06 is: 219,975.88
Step by Step Solution
- Step 1: Write the proportion equation
173,779.10 : 239,691.48 = 159,485.06 : x - Step 2: Convert to fraction form
173,779.10/239,691.48 = 159,485.06/x - Step 3: Cross multiply
173,779.10x = 239,691.48 × 159,485.06 - Step 4: Simplify right side
173,779.10x = 38,227,210,069.29 - Step 5: Solve for x
x = 38,227,210,069.29/173,779.10 - Step 6: Final answer
x = 219,975.88
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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.