Finding the Fourth Proportional to 354,535.08, 531,802.35 and 105,217.08
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Solution
The fourth proportional to 354,535.08, 531,802.35 and 105,217.08 is: 157,825.54
Step by Step Solution
- Step 1: Write the proportion equation
354,535.08 : 531,802.35 = 105,217.08 : x - Step 2: Convert to fraction form
354,535.08/531,802.35 = 105,217.08/x - Step 3: Cross multiply
354,535.08x = 531,802.35 × 105,217.08 - Step 4: Simplify right side
354,535.08x = 55,954,690,404.14 - Step 5: Solve for x
x = 55,954,690,404.14/354,535.08 - Step 6: Final answer
x = 157,825.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.