Finding the Fourth Proportional to 314,560.09, 434,135.74 and 185,535.06
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Solution
The fourth proportional to 314,560.09, 434,135.74 and 185,535.06 is: 256,063.64
Step by Step Solution
- Step 1: Write the proportion equation
314,560.09 : 434,135.74 = 185,535.06 : x - Step 2: Convert to fraction form
314,560.09/434,135.74 = 185,535.06/x - Step 3: Cross multiply
314,560.09x = 434,135.74 × 185,535.06 - Step 4: Simplify right side
314,560.09x = 80,547,400,569.04 - Step 5: Solve for x
x = 80,547,400,569.04/314,560.09 - Step 6: Final answer
x = 256,063.64
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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.