Finding the Fourth Proportional to 319,869.94, 479,279.76 and 109,393.06
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Solution
The fourth proportional to 319,869.94, 479,279.76 and 109,393.06 is: 163,909.99
Step by Step Solution
- Step 1: Write the proportion equation
319,869.94 : 479,279.76 = 109,393.06 : x - Step 2: Convert to fraction form
319,869.94/479,279.76 = 109,393.06/x - Step 3: Cross multiply
319,869.94x = 479,279.76 × 109,393.06 - Step 4: Simplify right side
319,869.94x = 52,429,879,542.47 - Step 5: Solve for x
x = 52,429,879,542.47/319,869.94 - Step 6: Final answer
x = 163,909.99
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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.