Finding the Fourth Proportional to 319,247.41, 478,871.11 and 303,283.68
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Solution
The fourth proportional to 319,247.41, 478,871.11 and 303,283.68 is: 454,925.51
Step by Step Solution
- Step 1: Write the proportion equation
319,247.41 : 478,871.11 = 303,283.68 : x - Step 2: Convert to fraction form
319,247.41/478,871.11 = 303,283.68/x - Step 3: Cross multiply
319,247.41x = 478,871.11 × 303,283.68 - Step 4: Simplify right side
319,247.41x = 145,233,791,069.82 - Step 5: Solve for x
x = 145,233,791,069.82/319,247.41 - Step 6: Final answer
x = 454,925.51
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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.