Finding the Fourth Proportional to 235,520.31, 325,011.08 and 133,555.05
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Solution
The fourth proportional to 235,520.31, 325,011.08 and 133,555.05 is: 184,302.03
Step by Step Solution
- Step 1: Write the proportion equation
235,520.31 : 325,011.08 = 133,555.05 : x - Step 2: Convert to fraction form
235,520.31/325,011.08 = 133,555.05/x - Step 3: Cross multiply
235,520.31x = 325,011.08 × 133,555.05 - Step 4: Simplify right side
235,520.31x = 43,406,870,372.18 - Step 5: Solve for x
x = 43,406,870,372.18/235,520.31 - Step 6: Final answer
x = 184,302.03
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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.