Finding the Fourth Proportional to 343,887.80, 515,831.70 and 94,569.80
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Solution
The fourth proportional to 343,887.80, 515,831.70 and 94,569.80 is: 141,854.70
Step by Step Solution
- Step 1: Write the proportion equation
343,887.80 : 515,831.70 = 94,569.80 : x - Step 2: Convert to fraction form
343,887.80/515,831.70 = 94,569.80/x - Step 3: Cross multiply
343,887.80x = 515,831.70 × 94,569.80 - Step 4: Simplify right side
343,887.80x = 48,782,100,702.66 - Step 5: Solve for x
x = 48,782,100,702.66/343,887.80 - Step 6: Final answer
x = 141,854.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.