Finding the Fourth Proportional to 134,434.08, 201,681.12 and 40,947.04
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Solution
The fourth proportional to 134,434.08, 201,681.12 and 40,947.04 is: 61,429.70
Step by Step Solution
- Step 1: Write the proportion equation
134,434.08 : 201,681.12 = 40,947.04 : x - Step 2: Convert to fraction form
134,434.08/201,681.12 = 40,947.04/x - Step 3: Cross multiply
134,434.08x = 201,681.12 × 40,947.04 - Step 4: Simplify right side
134,434.08x = 8,258,244,887.88 - Step 5: Solve for x
x = 8,258,244,887.88/134,434.08 - Step 6: Final answer
x = 61,429.70
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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.