Finding the Fourth Proportional to 134,889.60, 202,358.70 and 56,011.80
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Solution
The fourth proportional to 134,889.60, 202,358.70 and 56,011.80 is: 84,027.79
Step by Step Solution
- Step 1: Write the proportion equation
134,889.60 : 202,358.70 = 56,011.80 : x - Step 2: Convert to fraction form
134,889.60/202,358.70 = 56,011.80/x - Step 3: Cross multiply
134,889.60x = 202,358.70 × 56,011.80 - Step 4: Simplify right side
134,889.60x = 11,334,475,032.66 - Step 5: Solve for x
x = 11,334,475,032.66/134,889.60 - Step 6: Final answer
x = 84,027.79
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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.