Finding the Fourth Proportional to 373,840.80, 515,831.25 and 212,686.44
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Solution
The fourth proportional to 373,840.80, 515,831.25 and 212,686.44 is: 293,468.00
Step by Step Solution
- Step 1: Write the proportion equation
373,840.80 : 515,831.25 = 212,686.44 : x - Step 2: Convert to fraction form
373,840.80/515,831.25 = 212,686.44/x - Step 3: Cross multiply
373,840.80x = 515,831.25 × 212,686.44 - Step 4: Simplify right side
373,840.80x = 109,710,312,203.25 - Step 5: Solve for x
x = 109,710,312,203.25/373,840.80 - Step 6: Final answer
x = 293,468.00
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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.