Finding the Fourth Proportional to 319,487.94, 440,894.80 and 176,247.95
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Solution
The fourth proportional to 319,487.94, 440,894.80 and 176,247.95 is: 243,222.96
Step by Step Solution
- Step 1: Write the proportion equation
319,487.94 : 440,894.80 = 176,247.95 : x - Step 2: Convert to fraction form
319,487.94/440,894.80 = 176,247.95/x - Step 3: Cross multiply
319,487.94x = 440,894.80 × 176,247.95 - Step 4: Simplify right side
319,487.94x = 77,706,802,461.19 - Step 5: Solve for x
x = 77,706,802,461.19/319,487.94 - Step 6: Final answer
x = 243,222.96
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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.