Finding the Fourth Proportional to 170,506.20, 235,319.77 and 97,931.82
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Solution
The fourth proportional to 170,506.20, 235,319.77 and 97,931.82 is: 135,158.09
Step by Step Solution
- Step 1: Write the proportion equation
170,506.20 : 235,319.77 = 97,931.82 : x - Step 2: Convert to fraction form
170,506.20/235,319.77 = 97,931.82/x - Step 3: Cross multiply
170,506.20x = 235,319.77 × 97,931.82 - Step 4: Simplify right side
170,506.20x = 23,045,291,691.82 - Step 5: Solve for x
x = 23,045,291,691.82/170,506.20 - Step 6: Final answer
x = 135,158.09
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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.