Finding the Fourth Proportional to 539,538.12, 808,749.48 and 202,340.99
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Solution
The fourth proportional to 539,538.12, 808,749.48 and 202,340.99 is: 303,302.33
Step by Step Solution
- Step 1: Write the proportion equation
539,538.12 : 808,749.48 = 202,340.99 : x - Step 2: Convert to fraction form
539,538.12/808,749.48 = 202,340.99/x - Step 3: Cross multiply
539,538.12x = 808,749.48 × 202,340.99 - Step 4: Simplify right side
539,538.12x = 163,643,166,401.44 - Step 5: Solve for x
x = 163,643,166,401.44/539,538.12 - Step 6: Final answer
x = 303,302.33
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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.