Finding the Fourth Proportional to 135,001.60, 202,502.40 and 84,919.30
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Solution
The fourth proportional to 135,001.60, 202,502.40 and 84,919.30 is: 127,378.95
Step by Step Solution
- Step 1: Write the proportion equation
135,001.60 : 202,502.40 = 84,919.30 : x - Step 2: Convert to fraction form
135,001.60/202,502.40 = 84,919.30/x - Step 3: Cross multiply
135,001.60x = 202,502.40 × 84,919.30 - Step 4: Simplify right side
135,001.60x = 17,196,362,056.32 - Step 5: Solve for x
x = 17,196,362,056.32/135,001.60 - Step 6: Final answer
x = 127,378.95
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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.