Finding the Fourth Proportional to 335,931.31, 502,713.46 and 209,630.99
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Solution
The fourth proportional to 335,931.31, 502,713.46 and 209,630.99 is: 313,707.95
Step by Step Solution
- Step 1: Write the proportion equation
335,931.31 : 502,713.46 = 209,630.99 : x - Step 2: Convert to fraction form
335,931.31/502,713.46 = 209,630.99/x - Step 3: Cross multiply
335,931.31x = 502,713.46 × 209,630.99 - Step 4: Simplify right side
335,931.31x = 105,384,321,038.83 - Step 5: Solve for x
x = 105,384,321,038.83/335,931.31 - Step 6: Final answer
x = 313,707.95
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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.