Finding the Fourth Proportional to 354,386.72, 531,507.58 and 101,599.49
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Solution
The fourth proportional to 354,386.72, 531,507.58 and 101,599.49 is: 152,378.45
Step by Step Solution
- Step 1: Write the proportion equation
354,386.72 : 531,507.58 = 101,599.49 : x - Step 2: Convert to fraction form
354,386.72/531,507.58 = 101,599.49/x - Step 3: Cross multiply
354,386.72x = 531,507.58 × 101,599.49 - Step 4: Simplify right side
354,386.72x = 54,000,899,059.13 - Step 5: Solve for x
x = 54,000,899,059.13/354,386.72 - Step 6: Final answer
x = 152,378.45
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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.