Finding the Fourth Proportional to 539,745.30, 809,617.95 and 165,719.70
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Solution
The fourth proportional to 539,745.30, 809,617.95 and 165,719.70 is: 248,579.55
Step by Step Solution
- Step 1: Write the proportion equation
539,745.30 : 809,617.95 = 165,719.70 : x - Step 2: Convert to fraction form
539,745.30/809,617.95 = 165,719.70/x - Step 3: Cross multiply
539,745.30x = 809,617.95 × 165,719.70 - Step 4: Simplify right side
539,745.30x = 134,169,643,788.62 - Step 5: Solve for x
x = 134,169,643,788.62/539,745.30 - Step 6: Final answer
x = 248,579.55
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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.