Finding the Fourth Proportional to 249,009.91, 343,634.76 and 135,835.09
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Solution
The fourth proportional to 249,009.91, 343,634.76 and 135,835.09 is: 187,453.02
Step by Step Solution
- Step 1: Write the proportion equation
249,009.91 : 343,634.76 = 135,835.09 : x - Step 2: Convert to fraction form
249,009.91/343,634.76 = 135,835.09/x - Step 3: Cross multiply
249,009.91x = 343,634.76 × 135,835.09 - Step 4: Simplify right side
249,009.91x = 46,677,658,551.73 - Step 5: Solve for x
x = 46,677,658,551.73/249,009.91 - Step 6: Final answer
x = 187,453.02
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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.