Finding the Fourth Proportional to 249,027.81, 343,657.65 and 135,849.75
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Solution
The fourth proportional to 249,027.81, 343,657.65 and 135,849.75 is: 187,472.26
Step by Step Solution
- Step 1: Write the proportion equation
249,027.81 : 343,657.65 = 135,849.75 : x - Step 2: Convert to fraction form
249,027.81/343,657.65 = 135,849.75/x - Step 3: Cross multiply
249,027.81x = 343,657.65 × 135,849.75 - Step 4: Simplify right side
249,027.81x = 46,685,805,838.09 - Step 5: Solve for x
x = 46,685,805,838.09/249,027.81 - Step 6: Final answer
x = 187,472.26
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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.