Finding the Fourth Proportional to 653,643.06, 980,465.36 and 204,366.28
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Solution
The fourth proportional to 653,643.06, 980,465.36 and 204,366.28 is: 306,549.66
Step by Step Solution
- Step 1: Write the proportion equation
653,643.06 : 980,465.36 = 204,366.28 : x - Step 2: Convert to fraction form
653,643.06/980,465.36 = 204,366.28/x - Step 3: Cross multiply
653,643.06x = 980,465.36 × 204,366.28 - Step 4: Simplify right side
653,643.06x = 200,374,058,292.06 - Step 5: Solve for x
x = 200,374,058,292.06/653,643.06 - Step 6: Final answer
x = 306,549.66
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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.