Finding the Fourth Proportional to 165,888,128.70, 248,832,193.05 and 164,880,359.10
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Solution
The fourth proportional to 165,888,128.70, 248,832,193.05 and 164,880,359.10 is: 247,320,538.65
Step by Step Solution
- Step 1: Write the proportion equation
165,888,128.70 : 248,832,193.05 = 164,880,359.10 : x - Step 2: Convert to fraction form
165,888,128.70/248,832,193.05 = 164,880,359.10/x - Step 3: Cross multiply
165,888,128.70x = 248,832,193.05 × 164,880,359.10 - Step 4: Simplify right side
165,888,128.70x = 41,027,541,345,724,528 - Step 5: Solve for x
x = 41,027,541,345,724,528/165,888,128.70 - Step 6: Final answer
x = 247,320,538.65
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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.