Finding the Fourth Proportional to 352,154.16, 485,969.17 and 191,005.75
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Solution
The fourth proportional to 352,154.16, 485,969.17 and 191,005.75 is: 263,585.99
Step by Step Solution
- Step 1: Write the proportion equation
352,154.16 : 485,969.17 = 191,005.75 : x - Step 2: Convert to fraction form
352,154.16/485,969.17 = 191,005.75/x - Step 3: Cross multiply
352,154.16x = 485,969.17 × 191,005.75 - Step 4: Simplify right side
352,154.16x = 92,822,903,547.23 - Step 5: Solve for x
x = 92,822,903,547.23/352,154.16 - Step 6: Final answer
x = 263,585.99
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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.