Finding the Fourth Proportional to 306,213.36, 459,386.28 and 92,963.76
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Solution
The fourth proportional to 306,213.36, 459,386.28 and 92,963.76 is: 139,465.75
Step by Step Solution
- Step 1: Write the proportion equation
306,213.36 : 459,386.28 = 92,963.76 : x - Step 2: Convert to fraction form
306,213.36/459,386.28 = 92,963.76/x - Step 3: Cross multiply
306,213.36x = 459,386.28 × 92,963.76 - Step 4: Simplify right side
306,213.36x = 42,706,275,881.21 - Step 5: Solve for x
x = 42,706,275,881.21/306,213.36 - Step 6: Final answer
x = 139,465.75
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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.