Finding the Fourth Proportional to 153,491.19, 230,269.73 and 86,963.19
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Solution
The fourth proportional to 153,491.19, 230,269.73 and 86,963.19 is: 130,463.45
Step by Step Solution
- Step 1: Write the proportion equation
153,491.19 : 230,269.73 = 86,963.19 : x - Step 2: Convert to fraction form
153,491.19/230,269.73 = 86,963.19/x - Step 3: Cross multiply
153,491.19x = 230,269.73 × 86,963.19 - Step 4: Simplify right side
153,491.19x = 20,024,989,846.42 - Step 5: Solve for x
x = 20,024,989,846.42/153,491.19 - Step 6: Final answer
x = 130,463.45
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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.