Finding the Fourth Proportional to 247,130.79, 370,623.52 and 104,974.94
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Solution
The fourth proportional to 247,130.79, 370,623.52 and 104,974.94 is: 157,431.54
Step by Step Solution
- Step 1: Write the proportion equation
247,130.79 : 370,623.52 = 104,974.94 : x - Step 2: Convert to fraction form
247,130.79/370,623.52 = 104,974.94/x - Step 3: Cross multiply
247,130.79x = 370,623.52 × 104,974.94 - Step 4: Simplify right side
247,130.79x = 38,906,181,774.59 - Step 5: Solve for x
x = 38,906,181,774.59/247,130.79 - Step 6: Final answer
x = 157,431.54
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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.