Finding the Fourth Proportional to 177,582.12, 245,070.64 and 102,130.62
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Solution
The fourth proportional to 177,582.12, 245,070.64 and 102,130.62 is: 140,944.46
Step by Step Solution
- Step 1: Write the proportion equation
177,582.12 : 245,070.64 = 102,130.62 : x - Step 2: Convert to fraction form
177,582.12/245,070.64 = 102,130.62/x - Step 3: Cross multiply
177,582.12x = 245,070.64 × 102,130.62 - Step 4: Simplify right side
177,582.12x = 25,029,216,407.00 - Step 5: Solve for x
x = 25,029,216,407.00/177,582.12 - Step 6: Final answer
x = 140,944.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.