Finding the Fourth Proportional to 276,077.09, 414,337.11 and 142,995.41
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Solution
The fourth proportional to 276,077.09, 414,337.11 and 142,995.41 is: 214,607.82
Step by Step Solution
- Step 1: Write the proportion equation
276,077.09 : 414,337.11 = 142,995.41 : x - Step 2: Convert to fraction form
276,077.09/414,337.11 = 142,995.41/x - Step 3: Cross multiply
276,077.09x = 414,337.11 × 142,995.41 - Step 4: Simplify right side
276,077.09x = 59,248,303,868.51 - Step 5: Solve for x
x = 59,248,303,868.51/276,077.09 - Step 6: Final answer
x = 214,607.82
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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.