Finding the Fourth Proportional to 319,853.98, 441,424.50 and 183,931.93
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Solution
The fourth proportional to 319,853.98, 441,424.50 and 183,931.93 is: 253,841.02
Step by Step Solution
- Step 1: Write the proportion equation
319,853.98 : 441,424.50 = 183,931.93 : x - Step 2: Convert to fraction form
319,853.98/441,424.50 = 183,931.93/x - Step 3: Cross multiply
319,853.98x = 441,424.50 × 183,931.93 - Step 4: Simplify right side
319,853.98x = 81,192,060,234.29 - Step 5: Solve for x
x = 81,192,060,234.29/319,853.98 - Step 6: Final answer
x = 253,841.02
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1.5x scale
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.