Finding the Fourth Proportional to 351,808.04, 485,496.81 and 190,663.08
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Solution
The fourth proportional to 351,808.04, 485,496.81 and 190,663.08 is: 263,115.98
Step by Step Solution
- Step 1: Write the proportion equation
351,808.04 : 485,496.81 = 190,663.08 : x - Step 2: Convert to fraction form
351,808.04/485,496.81 = 190,663.08/x - Step 3: Cross multiply
351,808.04x = 485,496.81 × 190,663.08 - Step 4: Simplify right side
351,808.04x = 92,566,317,124.77 - Step 5: Solve for x
x = 92,566,317,124.77/351,808.04 - Step 6: Final answer
x = 263,115.98
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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.