Finding the Fourth Proportional to 314,219.33, 433,547.09 and 185,163.09
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Solution
The fourth proportional to 314,219.33, 433,547.09 and 185,163.09 is: 255,480.52
Step by Step Solution
- Step 1: Write the proportion equation
314,219.33 : 433,547.09 = 185,163.09 : x - Step 2: Convert to fraction form
314,219.33/433,547.09 = 185,163.09/x - Step 3: Cross multiply
314,219.33x = 433,547.09 × 185,163.09 - Step 4: Simplify right side
314,219.33x = 80,276,918,844.91 - Step 5: Solve for x
x = 80,276,918,844.91/314,219.33 - Step 6: Final answer
x = 255,480.52
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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.