Finding the Fourth Proportional to 561,762.36, 842,644.62 and 141,038.28
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Solution
The fourth proportional to 561,762.36, 842,644.62 and 141,038.28 is: 211,557.69
Step by Step Solution
- Step 1: Write the proportion equation
561,762.36 : 842,644.62 = 141,038.28 : x - Step 2: Convert to fraction form
561,762.36/842,644.62 = 141,038.28/x - Step 3: Cross multiply
561,762.36x = 842,644.62 × 141,038.28 - Step 4: Simplify right side
561,762.36x = 118,845,147,856.05 - Step 5: Solve for x
x = 118,845,147,856.05/561,762.36 - Step 6: Final answer
x = 211,557.69
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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.