Finding the Fourth Proportional to 170,567.55, 235,479.60 and 113,305.05
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Solution
The fourth proportional to 170,567.55, 235,479.60 and 113,305.05 is: 156,424.99
Step by Step Solution
- Step 1: Write the proportion equation
170,567.55 : 235,479.60 = 113,305.05 : x - Step 2: Convert to fraction form
170,567.55/235,479.60 = 113,305.05/x - Step 3: Cross multiply
170,567.55x = 235,479.60 × 113,305.05 - Step 4: Simplify right side
170,567.55x = 26,681,027,851.98 - Step 5: Solve for x
x = 26,681,027,851.98/170,567.55 - Step 6: Final answer
x = 156,424.99
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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.