Finding the Fourth Proportional to 539,340.88, 809,004.84 and 139,946.08
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Solution
The fourth proportional to 539,340.88, 809,004.84 and 139,946.08 is: 209,917.44
Step by Step Solution
- Step 1: Write the proportion equation
539,340.88 : 809,004.84 = 139,946.08 : x - Step 2: Convert to fraction form
539,340.88/809,004.84 = 139,946.08/x - Step 3: Cross multiply
539,340.88x = 809,004.84 × 139,946.08 - Step 4: Simplify right side
539,340.88x = 113,217,056,059.03 - Step 5: Solve for x
x = 113,217,056,059.03/539,340.88 - Step 6: Final answer
x = 209,917.44
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1.5x scale
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.