Finding the Fourth Proportional to 249,005.91, 343,629.24 and 135,831.09
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Solution
The fourth proportional to 249,005.91, 343,629.24 and 135,831.09 is: 187,447.50
Step by Step Solution
- Step 1: Write the proportion equation
249,005.91 : 343,629.24 = 135,831.09 : x - Step 2: Convert to fraction form
249,005.91/343,629.24 = 135,831.09/x - Step 3: Cross multiply
249,005.91x = 343,629.24 × 135,831.09 - Step 4: Simplify right side
249,005.91x = 46,675,534,225.07 - Step 5: Solve for x
x = 46,675,534,225.07/249,005.91 - Step 6: Final answer
x = 187,447.50
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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.