Finding the Fourth Proportional to 276,288.21, 414,430.93 and 238,734.02
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Solution
The fourth proportional to 276,288.21, 414,430.93 and 238,734.02 is: 358,099.82
Step by Step Solution
- Step 1: Write the proportion equation
276,288.21 : 414,430.93 = 238,734.02 : x - Step 2: Convert to fraction form
276,288.21/414,430.93 = 238,734.02/x - Step 3: Cross multiply
276,288.21x = 414,430.93 × 238,734.02 - Step 4: Simplify right side
276,288.21x = 98,938,759,262.25 - Step 5: Solve for x
x = 98,938,759,262.25/276,288.21 - Step 6: Final answer
x = 358,099.82
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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.