Finding the Fourth Proportional to 472,408.44, 651,936.08 and 291,240.06
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Solution
The fourth proportional to 472,408.44, 651,936.08 and 291,240.06 is: 401,918.95
Step by Step Solution
- Step 1: Write the proportion equation
472,408.44 : 651,936.08 = 291,240.06 : x - Step 2: Convert to fraction form
472,408.44/651,936.08 = 291,240.06/x - Step 3: Cross multiply
472,408.44x = 651,936.08 × 291,240.06 - Step 4: Simplify right side
472,408.44x = 189,869,903,055.37 - Step 5: Solve for x
x = 189,869,903,055.37/472,408.44 - Step 6: Final answer
x = 401,918.95
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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.