Finding the Fourth Proportional to 134,417.88, 201,491.28 and 84,533.63
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Solution
The fourth proportional to 134,417.88, 201,491.28 and 84,533.63 is: 126,715.20
Step by Step Solution
- Step 1: Write the proportion equation
134,417.88 : 201,491.28 = 84,533.63 : x - Step 2: Convert to fraction form
134,417.88/201,491.28 = 84,533.63/x - Step 3: Cross multiply
134,417.88x = 201,491.28 × 84,533.63 - Step 4: Simplify right side
134,417.88x = 17,032,788,304.29 - Step 5: Solve for x
x = 17,032,788,304.29/134,417.88 - Step 6: Final answer
x = 126,715.20
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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.