Finding the Fourth Proportional to 211,831.13, 292,325.77 and 115,034.05
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Solution
The fourth proportional to 211,831.13, 292,325.77 and 115,034.05 is: 158,746.34
Step by Step Solution
- Step 1: Write the proportion equation
211,831.13 : 292,325.77 = 115,034.05 : x - Step 2: Convert to fraction form
211,831.13/292,325.77 = 115,034.05/x - Step 3: Cross multiply
211,831.13x = 292,325.77 × 115,034.05 - Step 4: Simplify right side
211,831.13x = 33,627,417,242.47 - Step 5: Solve for x
x = 33,627,417,242.47/211,831.13 - Step 6: Final answer
x = 158,746.34
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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.