Finding the Fourth Proportional to 261,301.68, 360,209.70 and 203,875.92
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Solution
The fourth proportional to 261,301.68, 360,209.70 and 203,875.92 is: 281,047.12
Step by Step Solution
- Step 1: Write the proportion equation
261,301.68 : 360,209.70 = 203,875.92 : x - Step 2: Convert to fraction form
261,301.68/360,209.70 = 203,875.92/x - Step 3: Cross multiply
261,301.68x = 360,209.70 × 203,875.92 - Step 4: Simplify right side
261,301.68x = 73,438,083,980.42 - Step 5: Solve for x
x = 73,438,083,980.42/261,301.68 - Step 6: Final answer
x = 281,047.12
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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.