Finding the Fourth Proportional to 235,909.80, 353,864.70 and 125,317.80
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Solution
The fourth proportional to 235,909.80, 353,864.70 and 125,317.80 is: 187,976.70
Step by Step Solution
- Step 1: Write the proportion equation
235,909.80 : 353,864.70 = 125,317.80 : x - Step 2: Convert to fraction form
235,909.80/353,864.70 = 125,317.80/x - Step 3: Cross multiply
235,909.80x = 353,864.70 × 125,317.80 - Step 4: Simplify right side
235,909.80x = 44,345,545,701.66 - Step 5: Solve for x
x = 44,345,545,701.66/235,909.80 - Step 6: Final answer
x = 187,976.70
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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.