Finding the Fourth Proportional to 114,371.16, 157,827.64 and 63,386.08
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Solution
The fourth proportional to 114,371.16, 157,827.64 and 63,386.08 is: 87,470.26
Step by Step Solution
- Step 1: Write the proportion equation
114,371.16 : 157,827.64 = 63,386.08 : x - Step 2: Convert to fraction form
114,371.16/157,827.64 = 63,386.08/x - Step 3: Cross multiply
114,371.16x = 157,827.64 × 63,386.08 - Step 4: Simplify right side
114,371.16x = 10,004,075,415.25 - Step 5: Solve for x
x = 10,004,075,415.25/114,371.16 - Step 6: Final answer
x = 87,470.26
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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.