Finding the Fourth Proportional to 156,582.36, 215,785.36 and 153,703.36
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Solution
The fourth proportional to 156,582.36, 215,785.36 and 153,703.36 is: 211,817.82
Step by Step Solution
- Step 1: Write the proportion equation
156,582.36 : 215,785.36 = 153,703.36 : x - Step 2: Convert to fraction form
156,582.36/215,785.36 = 153,703.36/x - Step 3: Cross multiply
156,582.36x = 215,785.36 × 153,703.36 - Step 4: Simplify right side
156,582.36x = 33,166,934,870.81 - Step 5: Solve for x
x = 33,166,934,870.81/156,582.36 - Step 6: Final answer
x = 211,817.82
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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.