Finding the Fourth Proportional to 458,362.63, 686,750.14 and 248,144.95
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Solution
The fourth proportional to 458,362.63, 686,750.14 and 248,144.95 is: 371,787.68
Step by Step Solution
- Step 1: Write the proportion equation
458,362.63 : 686,750.14 = 248,144.95 : x - Step 2: Convert to fraction form
458,362.63/686,750.14 = 248,144.95/x - Step 3: Cross multiply
458,362.63x = 686,750.14 × 248,144.95 - Step 4: Simplify right side
458,362.63x = 170,413,579,152.79 - Step 5: Solve for x
x = 170,413,579,152.79/458,362.63 - Step 6: Final answer
x = 371,787.68
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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.