Finding the Fourth Proportional to 225,963.68, 311,827.14 and 130,468.32
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Solution
The fourth proportional to 225,963.68, 311,827.14 and 130,468.32 is: 180,044.70
Step by Step Solution
- Step 1: Write the proportion equation
225,963.68 : 311,827.14 = 130,468.32 : x - Step 2: Convert to fraction form
225,963.68/311,827.14 = 130,468.32/x - Step 3: Cross multiply
225,963.68x = 311,827.14 × 130,468.32 - Step 4: Simplify right side
225,963.68x = 40,683,563,086.20 - Step 5: Solve for x
x = 40,683,563,086.20/225,963.68 - Step 6: Final answer
x = 180,044.70
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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.