Finding the Fourth Proportional to 237,840.21, 328,216.95 and 130,409.91
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Solution
The fourth proportional to 237,840.21, 328,216.95 and 130,409.91 is: 179,964.28
Step by Step Solution
- Step 1: Write the proportion equation
237,840.21 : 328,216.95 = 130,409.91 : x - Step 2: Convert to fraction form
237,840.21/328,216.95 = 130,409.91/x - Step 3: Cross multiply
237,840.21x = 328,216.95 × 130,409.91 - Step 4: Simplify right side
237,840.21x = 42,802,742,909.97 - Step 5: Solve for x
x = 42,802,742,909.97/237,840.21 - Step 6: Final answer
x = 179,964.28
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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.