Finding the Fourth Proportional to 472,427.24, 651,921.48 and 268,449.84
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Solution
The fourth proportional to 472,427.24, 651,921.48 and 268,449.84 is: 370,444.81
Step by Step Solution
- Step 1: Write the proportion equation
472,427.24 : 651,921.48 = 268,449.84 : x - Step 2: Convert to fraction form
472,427.24/651,921.48 = 268,449.84/x - Step 3: Cross multiply
472,427.24x = 651,921.48 × 268,449.84 - Step 4: Simplify right side
472,427.24x = 175,008,216,998.56 - Step 5: Solve for x
x = 175,008,216,998.56/472,427.24 - Step 6: Final answer
x = 370,444.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.