Finding the Fourth Proportional to 354,537.08, 531,805.35 and 105,219.08
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Solution
The fourth proportional to 354,537.08, 531,805.35 and 105,219.08 is: 157,828.54
Step by Step Solution
- Step 1: Write the proportion equation
354,537.08 : 531,805.35 = 105,219.08 : x - Step 2: Convert to fraction form
354,537.08/531,805.35 = 105,219.08/x - Step 3: Cross multiply
354,537.08x = 531,805.35 × 105,219.08 - Step 4: Simplify right side
354,537.08x = 55,956,069,666.08 - Step 5: Solve for x
x = 55,956,069,666.08/354,537.08 - Step 6: Final answer
x = 157,828.54
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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.