Finding the Fourth Proportional to 306,607.24, 459,979.98 and 93,394.18
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Solution
The fourth proportional to 306,607.24, 459,979.98 and 93,394.18 is: 140,112.32
Step by Step Solution
- Step 1: Write the proportion equation
306,607.24 : 459,979.98 = 93,394.18 : x - Step 2: Convert to fraction form
306,607.24/459,979.98 = 93,394.18/x - Step 3: Cross multiply
306,607.24x = 459,979.98 × 93,394.18 - Step 4: Simplify right side
306,607.24x = 42,959,453,048.52 - Step 5: Solve for x
x = 42,959,453,048.52/306,607.24 - Step 6: Final answer
x = 140,112.32
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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.